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: icy, hot, cool, refreshing, relaxed

SOLUTION: relaxed

PROBLEM: deal, 70, equitable, fair, raining

SOLUTION: equitable

PROBLEM: dump truck, hoist, crane, ostrich, goose

SOLUTION:
dump truck