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: signal, sea, current, drink, belated
Example Output: belated

Example Input: dagwood, club, doorstep, hamburger, community
Example Output: community

Example Input: fritter, croquet, squander, whittle, blow
Example Output:
croquet