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: deck, suits, lifeline, draw, fold
Example Output: lifeline

Example Input: dally, waste away, fried, whittle, fritter
Example Output: fried

Example Input: level, flat, apartment, squashed, lined
Example Output:
lined