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: gunwale, stern, deck, box, bow

Output: box

Input: Consider Input: ostrich, hoist, egret, crane, parrot

Output: hoist

Input: Consider Input: bordering, gated, neighboring, touching, close
Output: gated