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.

Category: emotional status 
Words: angry, joyful, tools, fearful, content
tools

Category: physical property 
Words: large, fat, capacitance, calories, ugly
calories

Category: weather 
Words: endure, fair, 70, well, tangle

well