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.

[EX Q]: color, medium, fair, warm, size
[EX A]: warm

[EX Q]: deck, hearts, crew, bow, head
[EX A]: hearts

[EX Q]: deck, fight, ring, rudder, knockout
[EX A]:
rudder