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: corporate 
Words: solid, sustainability, streamline, firm, private

Answer: solid


Question: Category: chocolate food 
Words: brownie, loosen, chocolate cake, fudge, molasses

Answer: loosen


Question: Category: poker 
Words: bridge, deck, fold, blind, call

Answer:
bridge