TASK DEFINITION: Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
PROBLEM: trustworthy, decent, fair, tone, ok

SOLUTION: tone

PROBLEM: fax, file, format, image, document

SOLUTION: fax

PROBLEM: cream, lie, pie, fudge, cake

SOLUTION:
lie