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.

Input: Consider Input: Category: food 
Words: fortitude, meat, cheese, frank, pork

Output: fortitude


Input: Consider Input: Category: outdoor sport activity 
Words: fish, hiking, row, shark, canoe

Output: shark


Input: Consider Input: Category: consumer product 
Words: content, item, angry, specialty, clothing


Output: angry