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: calf, fawn, cub, cute, woods

SOLUTION: cute

PROBLEM: Category: physical activity 
Words: trip, jump, fall, equinox, exercise

SOLUTION: equinox

PROBLEM: Category: nutritional value 
Words: big, skinny, fat, sugar, salt

SOLUTION:
skinny