instruction:
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.
question:
bats, pounce, cockroach, bike, fly
answer:
bike


question:
early, water, delayed, history, current
answer:
water


question:
canyoning, hike, iguana, canoe, fish
answer:

iguana