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: poker 
Words: fold, deck, board, call, knockout
knockout

Category: boats 
Words: chips, crew, bow, deck, bridge
chips

Category: store status 
Words: finished for the day, locked, close, gated, neighboring

neighboring