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: bird 
Words: crane, pelican, egret, hummingbird, upraise

Output: upraise


Input: Consider Input: Category: ocean 
Words: current, data sets, main, sea, wave

Output: data sets


Input: Consider Input: Category: type of sandwich 
Words: club, dagwood, cinema, toast, grilled cheese


Output: cinema