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: file, keys, document, fax, ram

SOLUTION: fax

PROBLEM: amalgamated, firm, unyielding, shareholders, ceo

SOLUTION: unyielding

PROBLEM: toast, club, bacon, burger, dance hall

SOLUTION:
dance hall