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: crying, concerned, pick, emotionalities, fret
Example Output: pick

Example Input: luke, fair, mild, tangle, texture
Example Output: texture

Example Input: ashamed, right, sad, down, emotional state
Example Output:
right