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.

Ex Input:
Category: alcoholic drinks 
Words: gin, tonic, rum, spider, tequila

Ex Output:
spider


Ex Input:
Category: physical property 
Words: sugars, fat, thin, large, angular momentum

Ex Output:
sugars


Ex Input:
Category: emotional status 
Words: alert, detailed, fine, happy, alright

Ex Output:

detailed