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: weather 
Words: raining, cold, sunny, alright, fair

SOLUTION: alright

PROBLEM: Category: animal 
Words: waggle, drive, fly, bee, dive

SOLUTION: drive

PROBLEM: Category: emotional status 
Words: melancholy, emotional state, sliding, down, disgusted

SOLUTION:
sliding