diff --git a/tests/fixtures/preprocessor/meta-prefix-the-command-is-clear-state-unknown.json b/tests/fixtures/preprocessor/meta-prefix-the-command-is-clear-state-unknown.json
new file mode 100644
index 0000000..1e4c25b
--- /dev/null
+++ b/tests/fixtures/preprocessor/meta-prefix-the-command-is-clear-state-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "meta-prefix-the-command-is-clear-state-unknown",
+  "input": "the command is clear state",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/mixed-intent-clear-state-then-continue-unknown.json b/tests/fixtures/preprocessor/mixed-intent-clear-state-then-continue-unknown.json
new file mode 100644
index 0000000..ae5324b
--- /dev/null
+++ b/tests/fixtures/preprocessor/mixed-intent-clear-state-then-continue-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "mixed-intent-clear-state-then-continue-unknown",
+  "input": "clear state then continue",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/mixed-intent-use-docker-because-repo-has-docker-unknown.json b/tests/fixtures/preprocessor/mixed-intent-use-docker-because-repo-has-docker-unknown.json
new file mode 100644
index 0000000..b9644c6
--- /dev/null
+++ b/tests/fixtures/preprocessor/mixed-intent-use-docker-because-repo-has-docker-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "mixed-intent-use-docker-because-repo-has-docker-unknown",
+  "input": "use docker because this repo already has Docker",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/modal-please-change-premise-concise-replies-unknown.json b/tests/fixtures/preprocessor/modal-please-change-premise-concise-replies-unknown.json
new file mode 100644
index 0000000..b91b23c
--- /dev/null
+++ b/tests/fixtures/preprocessor/modal-please-change-premise-concise-replies-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "modal-please-change-premise-concise-replies-unknown",
+  "input": "please change premise concise replies",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/modal-please-set-premise-to-concise-replies-unknown.json b/tests/fixtures/preprocessor/modal-please-set-premise-to-concise-replies-unknown.json
new file mode 100644
index 0000000..9a5a6f8
--- /dev/null
+++ b/tests/fixtures/preprocessor/modal-please-set-premise-to-concise-replies-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "modal-please-set-premise-to-concise-replies-unknown",
+  "input": "please set premise to concise replies",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/multi-instruction-use-docker-actually-prohibit-unknown.json b/tests/fixtures/preprocessor/multi-instruction-use-docker-actually-prohibit-unknown.json
new file mode 100644
index 0000000..290c8bc
--- /dev/null
+++ b/tests/fixtures/preprocessor/multi-instruction-use-docker-actually-prohibit-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "multi-instruction-use-docker-actually-prohibit-unknown",
+  "input": "use docker, actually prohibit docker",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/natural-language-do-not-use-unknown.json b/tests/fixtures/preprocessor/natural-language-do-not-use-unknown.json
new file mode 100644
index 0000000..f9701ed
--- /dev/null
+++ b/tests/fixtures/preprocessor/natural-language-do-not-use-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "natural-language-do-not-use-unknown",
+  "input": "do not use peanuts",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/near-miss-change-premise-missing-to-keyword-unknown.json b/tests/fixtures/preprocessor/near-miss-change-premise-missing-to-keyword-unknown.json
new file mode 100644
index 0000000..ad8600d
--- /dev/null
+++ b/tests/fixtures/preprocessor/near-miss-change-premise-missing-to-keyword-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "near-miss-change-premise-missing-to-keyword-unknown",
+  "input": "change premise formal tone",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/near-miss-set-premise-to-formal-tone-unknown.json b/tests/fixtures/preprocessor/near-miss-set-premise-to-formal-tone-unknown.json
new file mode 100644
index 0000000..bc4cdd7
--- /dev/null
+++ b/tests/fixtures/preprocessor/near-miss-set-premise-to-formal-tone-unknown.json
@@ -0,0 +1,8 @@
+{
+  "name": "near-miss-set-premise-to-formal-tone-unknown",
+  "input": "set premise to formal tone",
+  "expected": {
+    "classification": "unknown",
+    "output": null
+  }
+}
diff --git a/tests/fixtures/preprocessor/question-help-with-lunch-no-directive.json b/tests/fixtures/preprocessor/question-help-with-lunch-no-directive.json
new file mode 100644
index 0000000..8cc21ed
--- /dev/null
+++ b/tests/fixtures/preprocessor/question-help-with-lunch-no-directive.json
@@ -0,0 +1,8 @@
+{
+  "name": "question-help-with-lunch-no-directive",
+  "input": "can you help with lunch?",
+  "expected": {
+    "classification": "no_directive",
+    "output": null
+  }
+}