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: physical property 
Words: protein, pasty, fat, thin, angular momentum
answer:
protein


question:
Category: location (proximity) 
Words: near, close, gated, bordering, on top of
answer:
gated


question:
Category: employment activity 
Words: let go, empower, fire, remove, flame
answer:

flame