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: gated, right there, not open, barred, close
Example Output: right there

Example Input: firm, shareholders, common, alignment, taut
Example Output: taut

Example Input: flap, glide, fly, swim, drive
Example Output:
swim