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: spider, fly, drive, train, soar

Output: spider


Input: Consider Input: Category: food 
Words: meat, weenie, loyalty, frank, vittles

Output: loyalty


Input: Consider Input: Category: date status 
Words: current, early, belated, data sets, jetstream


Output: jetstream