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: firm, shareholders, common, alignment, taut

SOLUTION: taut

PROBLEM: upraise, crane, excavator, digger, hoist

SOLUTION: hoist

PROBLEM: cream, wrongful, fix, fudge, smear

SOLUTION:
cream