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: davit, hoist, crane, sandpiper, davit
Example Output: davit

Example Input: jog, waggle, pounce, fly, bats
Example Output: jog

Example Input: make the grade, fair, endure, pale, warm
Example Output:
pale