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: aesthetic characteristic 
Words: fine, ticket, dull, neat, detailed

SOLUTION: ticket

PROBLEM: Category: military rank 
Words: regular, major, general, soldier, cadet

SOLUTION: regular

PROBLEM: Category: employment activity 
Words: empower, flame, scold, pay, fire

SOLUTION:
flame