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: type of sandwich 
Words: roll, hoagie, bacon, club, community

Output: community


Input: Consider Input: Category: kitchenware 
Words: spoon, glass, bowl, lead, cup

Output: lead


Input: Consider Input: Category: guitar part 
Words: inlays, string, fret, emotional, chord


Output: emotional