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: mode of transportation 
Words: dive, fly, soar, jog, wave

Output: dive


Input: Consider Input: Category: shady activities 
Words: wrongful, fudge, unwarranted, fix, cake

Output: cake


Input: Consider Input: Category: nutritional value 
Words: fat, calories, vitamin c, absorption, carbs


Output: absorption