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: fat, vitamin c, area, brittleness, absorption
answer:
vitamin c


question:
Category: animal 
Words: fly, dangle, bee, jump, flap
answer:
flap


question:
Category: measurement unit 
Words: yard, mile, eye, kilometer, foot
answer:

eye