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: keys, file, download, folder, type

SOLUTION: type

PROBLEM: vodka, spider, gin, blackjack, go fish

SOLUTION: vodka

PROBLEM: windy, cold, even, fair, endure

SOLUTION:
even