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: moral characteristic 
Words: unprejudiced, texture, fair, impartial, well

Ex Output:
texture


Ex Input:
Category: type of sandwich 
Words: roll, hoagie, bacon, club, community

Ex Output:
community


Ex Input:
Category: animal 
Words: bird, run, fly, wave, eagle

Ex Output:

wave