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: egret, mallet, tackle, davit, crane
Example Output: tackle

Example Input: texture, deal, fair, cold, sunny
Example Output: texture

Example Input: honorable, tone, texture, fair, flaxen
Example Output:
honorable