This fork reimplements the original program logic generalizing portions of the code.

CLIPS> (load MBTI.clp)
+:!!%%%%%%%*+***+**+***$$$$$
TRUE
CLIPS> (reset)
CLIPS> (run)
Welcome to MBTI-powered Career Guidance System

Q1) At a party, you
   1 - interact with many, including strangers
   2 - interact with a few, known to you
Your response (1 or 2): 1

Q2) Are you more
   1 - realistic than speculative
   2 - speculative than realistic
Your response (1 or 2): 2

Q3) Are you more impressed by
   1 - principles
   2 - emotions
Your response (1 or 2): 1

Q4) Do you tend to choose
   1 - rather carefully
   2 - somewhat impulsively
Your response (1 or 2): 2

Q5) While in company do you
   1 - initiate conversation
   2 - wait to be approached
Your response (1 or 2): 1

Q6) Are you more interested in
   1 - what is actual
   2 - what is possible
Your response (1 or 2): 2

Q7) In judging others are you more swayed by
   1 - laws than circumstances
   2 - circumstances than laws
Your response (1 or 2): 1

Q8) Do you prefer to work
   1 - according to deadlines
   2 - whenever you feel like working
Your response (1 or 2): 2

Q9) Does meeting new people
   1 - stimulate and energize you
   2 - tax your reserves
Your response (1 or 2): 1

Q10) In writings do you prefer
   1 - literal meanings
   2 - figurative meanings
Your response (1 or 2): 2

Q11) Which do you wish more for yourself?
   1 - clarity of reason
   2 - strength of compassion
Your response (1 or 2): 1

Q12) Do you prefer the
   1 - planned events
   2 - unplanned/unexpected events
Your response (1 or 2): 2

Q13) Do you prefer having
   1 - many friends
   2 - few friends with more lengthy contact
Your response (1 or 2): 1

Q14) Do you prize more in yourself
   1 - a strong sense of reality
   2 - a vivid imagination
Your response (1 or 2): 2

Q15) Which is more important?
   1 - to discuss an issue thoroughly
   2 - to arrive at an agreement on an issue
Your response (1 or 2): 1

Q16) Is it preferable mostly to
   1 - make sure things are arranged
   2 - just let things happen
Your response (1 or 2): 2

Q17) Are you more inclined to be
   1 - easy to approach
   2 - somewhat reserved
Your response (1 or 2): 1

Q18) Are you more likely to trust your
   1 - experience
   2 - gut feeling/guess
Your response (1 or 2): 2

Q19) Which rules you more?
   1 - your brain
   2 - your heart
Your response (1 or 2): 1

Q20) Are you more comfortable with work that is
   1 - contracted
   2 - done on a casual basis
Your response (1 or 2): 2

Your MBTI type is ENTP.

Now, enter your average performance score in the following
subjects on a scale from 0 (very poor) to 5 (excellent).

Languages (0 - 5): 1
Mathematics (0 - 5): 5
Physics (0 - 5): 2
Chemistry (0 - 5): 4
Biology (0 - 5): 3
Computer Science/Programming (0 - 5): 1
Social Sciences (0 - 5): 5
Painting/Sketching (0 - 5): 3
Acting/Dancing (0 - 5): 2
Music (0 - 5): 4

The best careers for you, in descending order of match are:
   Entrepreneur
   Musician
   Teacher/Professor
CLIPS> 

Readme from the original repository:

An expert system written in CLIPS that suggests careers based on MBTI personality type and aptitude in subjects.

How to run

1. Install CLIPS

2. Download the .clp file

3. Run CLIPS

4. Type the following commands (including brackets):

(reset)

(load filename)

(run)