instruction:
Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.
question:
Category: animal 
Words: train, fly, jump, leap, grasshopper
answer:
train


question:
Category: direction 
Words: down, lower, emotional upsets, below, falling
answer:
emotional upsets


question:
Category: animal 
Words: ant, bird, wave, dive, fly
answer:

wave