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]: fly, glide, flutter, eagle, train
[A]: eagle


[Q]: hunting, fish, kayak, goat, raft
[A]: goat


[Q]: jump, exercise, fall, spring, roll
[A]:
spring