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]: stingray, row, raft, hunting, fish
[A]: stingray


[Q]: descending, remorseful, down, right, ground
[A]: remorseful


[Q]: roll, swim, fall, winter, tumble
[A]:
winter