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: group, clan, hamburger, club, bar

SOLUTION: hamburger

PROBLEM: unflappalbe, refreshing, funny, cool, confident

SOLUTION: refreshing

PROBLEM: ok, impartial, fair, unjust, light

SOLUTION:
light