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: secretary duty 
Words: errands, fax, file, type, ram

Output: ram


Input: Consider Input: Category: food 
Words: honesty, meat, hot dog, sausage, frank

Output: honesty


Input: Consider Input: Category: outdoor sport activity 
Words: fish, goat, row, climbing, camp


Output: goat