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: hatchling, fawn, cute, kid, deer
Example Output: cute

Example Input: crane, goose, hoist, pelican, hummingbird
Example Output: hoist

Example Input: colt, fawn, swoon, suppressed, social
Example Output:
colt