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: sugars, obese, big boned, fat, pasty

Answer: sugars


Question: Category: outdoor sport activity 
Words: hunt, row, wrestle, fish, hamster

Answer: hamster


Question: Category: body part 
Words: foot, shin, hand, milimeter, heel

Answer:
milimeter