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

Example Input: cool, relaxed, mild, unflappalbe, assured
Example Output: mild

Example Input: fall, bend, plunge, exercise, hiems
Example Output:
hiems