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.

Example Input: Category: store status 
Words: beside, finished for the day, running., close, gated
Example Output: beside

Example Input: Category: window material 
Words: glass, coating, panel, spatula, lead
Example Output: spatula

Example Input: Category: moral characteristic 
Words: dishonest, honorable, fair, cold, well
Example Output:
cold