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: descending, remorseful, down, right, ground
Example Output: remorseful

Example Input: grasshopper, fly, swim, dangle, jog
Example Output: jog

Example Input: dally, waste away, fritter, squander, danish
Example Output:
danish