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: emotional status 
Words: excited, content, item, disappointed, jealous

Output: item


Input: Consider Input: Category: season 
Words: winter, roll, spring, hiems, fall

Output: roll


Input: Consider Input: Category: mode of transportation 
Words: bus, swim, fly, ant, bike


Output: ant