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.

Input: Consider Input: Category: bird 
Words: swift, tackle, pelican, crane, hoist

Output: hoist


Input: Consider Input: Category: date status 
Words: data sets, tide, late, detestings, current

Output: tide


Input: Consider Input: Category: location (proximity) 
Words: shut down, on top of, close, closest, nearest


Output: shut down