TASK DEFINITION: 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.
PROBLEM: Category: physical property 
Words: protein, pasty, fat, thin, angular momentum

SOLUTION: protein

PROBLEM: Category: aesthetic characteristic 
Words: well, milky, variety, tone, fair

SOLUTION: well

PROBLEM: Category: aesthetic characteristic 
Words: wispy, fine, bright, there, attractive

SOLUTION:
wispy