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: mode of transportation 
Words: bee, swim, fly, car, walk

SOLUTION: bee

PROBLEM: Category: aesthetic characteristic 
Words: fair, flaxen, well, color, pale

SOLUTION: well

PROBLEM: Category: baby animals 
Words: colt, culture, kid, calf, fawn

SOLUTION:
culture