Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.

Input: Consider Input: falsification, fib, invent, fudge, cupcake

Output: cupcake


Input: Consider Input: general, boring, soldier, ubiquitous, average

Output: soldier


Input: Consider Input: annoyed, content, fine, detached, bright


Output: bright