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: emotionalities, opposite of up, down, miserable, ashamed
Example Output: opposite of up

Example Input: motherboard, folder, hardware, file, schedule appointments
Example Output: schedule appointments

Example Input: fly, jog, fish, jump, beetle
Example Output:
jog