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: window material 
Words: glass, spyhole, handle, coating, knive
answer:
knive


question:
Category: physical activity 
Words: bend, jog, get down, duck, pig
answer:
pig


question:
Category: emotional display 
Words: cute, calf, identity, culture, fawn
answer:

calf