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: fine, wispy, alright, mad, well
Example Output: wispy

Example Input: data sets, sea, prompt, timely, current
Example Output: sea

Example Input: lust, fawn, woods, swoon, cute
Example Output:
woods