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]: acceptable, mad, fine, comfortable, probation
[A]: probation


[Q]: fritter, sweet roll, whittle, seperate, divide
[A]: sweet roll


[Q]: drop, fall, exercise, winter, climb
[A]:
winter