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]: format, sort mail, make coffee, order office supplies, file
[EX A]: format

[EX Q]: upraise, crane, excavator, digger, hoist
[EX A]: hoist

[EX Q]: beautiful, prime, bright, fine, dull
[EX A]:
prime