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: food 
Words: fortitude, meat, cheese, frank, pork
Example Output: fortitude

Example Input: Category: weather 
Words: stormy, make the grade, sunny, texture, fair
Example Output: texture

Example Input: Category: moral characteristic 
Words: unprejudiced, unjust, milky, ok, fair
Example Output:
milky