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: mode of transportation 
Words: spider, fly, drive, train, soar

SOLUTION: spider

PROBLEM: Category: aesthetic characteristic 
Words: flaxen, even, fair, size, unprejudiced

SOLUTION:
unprejudiced