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: thin, brittleness, heavy, angular momentum, fat
answer:
heavy


question:
Category: baby animals 
Words: buck, bambi, lust, fawn, deer
answer:
lust


question:
Category: date status 
Words: current, whirlpool, dastards, detests, history
answer:

whirlpool