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: emotional state, opposite of up, unhappy, down, miserable

SOLUTION: opposite of up

PROBLEM: format, image, fax, file, folder

SOLUTION: fax

PROBLEM: deck, queen, check, draw, apron

SOLUTION:
apron