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: leap, bee, glide, fly, eagle
Example Output: glide

Example Input: alright, detailed, annoyed, fine, calm
Example Output: detailed

Example Input: flat, elevation, level, round, condominium
Example Output:
elevation