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: flaxen, texture, alright, fair, even
Example Output: alright

Example Input: dump truck, hoist, crane, ostrich, goose
Example Output: dump truck

Example Input: answer calls, sort mail, file, schedule, motherboard
Example Output:
motherboard