TASK DEFINITION: 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.
PROBLEM: Category: baby animals 
Words: cub, identity, buck, fawn, kid

SOLUTION: identity

PROBLEM: Category: measurement unit 
Words: ounce, ear, inch, foot, milimeter

SOLUTION: ear

PROBLEM: Category: food 
Words: wienerwurst, cheese, weenie, frank, harsh

SOLUTION:
harsh