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.

[Q]: answer, answer calls, space, file, schedule
[A]: space


[Q]: jog, cow, hike, duck, crouch
[A]: cow


[Q]: backward, loveful, sliding, down, left
[A]:
loveful