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.

Input: Consider Input: angular momentum, fat, calcium, brittleness, ugly

Output: calcium

Input: Consider Input: grasshopper, fly, swim, dangle, jog

Output: jog

Input: Consider Input: draw, canvas, tko, caution, deck
Output: draw