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: emotional display 
Words: follow, doe, suppressed, culture, fawn
Example Output: doe

Example Input: Category: store status 
Words: shut, locked, near, out of service, close
Example Output: near

Example Input: Category: card games 
Words: wine, spider, poker, gin, war
Example Output:
wine