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: mode of transportation 
Words: swim, bike, soar, fly, jump

Output: jump


Input: Consider Input: Category: emotional status 
Words: fret, emotional supports, output cord, angry, concerned

Output: output cord


Input: Consider Input: Category: employment activity 
Words: recruit, burn, fire, promote, let go


Output: burn