Given a category and a set of five words, find the word from the set that does not belong (i.e. is the least relevant) with the other words in the category. Words are separated by commas.

Example Input: Category: computers 
Words: folder, text, file, ram, prepare
Example Output: prepare

Example Input: Category: accomodation 
Words: even, townhome, level, flat, paved
Example Output: level

Example Input: Category: guitar part 
Words: fret, crying, jack, fingerpick, string
Example Output:
crying