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:
parrot, goose, crane, swallow, excavator
answer:
excavator


question:
doughnut, fritter, fried, pie, seperate
answer:
seperate


question:
level, mountain, house, flat, even
answer:

mountain