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 activity 
Words: bend, duck, goose, jog, crouch

Answer: goose


Question: Category: computers 
Words: ram, file, prepare, keys, format

Answer: prepare


Question: Category: poker 
Words: fold, check, dock, hearts, deck

Answer:
dock