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]: current, timely, prompt, drink, do tests
[EX A]: drink

[EX Q]: ugly, absorption, vitamin c, fat, thin
[EX A]: vitamin c

[EX Q]: color, fair, fine, medium, even
[EX A]:
fine