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: activity 
Words: dally, seperate, fritter, waste, fried

SOLUTION: fried

PROBLEM: Category: geographical property 
Words: paved, even, hill, level, flat

SOLUTION: even

PROBLEM: Category: elements 
Words: cool, fire, scold, earth, combustion

SOLUTION:
scold