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.

Example Input: fair, raining, equitable, impartial, unjust
Example Output: raining

Example Input: spatula, panel, plastic, glass, translucent fabric
Example Output: spatula

Example Input: crane, derrick, goose, mallet, hummingbird
Example Output:
derrick