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: sausage, hot dog, concise, frank, weenie

Output: concise


Input: Consider Input: ugly, absorption, vitamin c, fat, thin

Output: vitamin c


Input: Consider Input: make the grade, fair, unprejudiced, luke, cold


Output: unprejudiced