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: alcoholic drinks 
Words: gin, tonic, rum, spider, tequila

Output: spider


Input: Consider Input: Category: computers 
Words: hardware, sort mail, download, program, file

Output: sort mail


Input: Consider Input: Category: boats 
Words: gunwale, bridge, apron, deck, galley


Output: apron