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: animal 
Words: dangle, fly, run, car, pounce

SOLUTION: car

PROBLEM: Category: aesthetic characteristic 
Words: fair, unprejudiced, level, tone, milky

SOLUTION: unprejudiced

PROBLEM: Category: type of sandwich 
Words: clan, submarine, roll, club, grilled cheese

SOLUTION:
clan