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.

Category: corporate 
Words: unyielding, firm, streamline, llc, private
unyielding

Category: baby animals 
Words: bambi, cub, doe, lust, fawn
lust

Category: poker 
Words: board, deck, fold, corner, chips

corner