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.

Ex Input:
Category: location (proximity) 
Words: near, close, gated, bordering, on top of

Ex Output:
gated


Ex Input:
Category: date status 
Words: belated, blue, early, detestings, current

Ex Output:
blue


Ex Input:
Category: animal 
Words: fly, ant, train, dangle, walk

Ex Output:

train