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.

[EX Q]: Category: geographical property 
Words: flat, horizontal, smooshed, elevation, house
[EX A]: house

[EX Q]: Category: social gathering 
Words: grilled cheese, place, club, dance hall, meeting
[EX A]: grilled cheese

[EX Q]: Category: emotional status 
Words: fine, decent, neat, relaxed, comfortable
[EX A]:
neat