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: moral characteristic 
Words: stern, frank, brash, loyalty, goodies

SOLUTION: goodies

PROBLEM: Category: emotional status 
Words: left, emotional state, sad, emotional upsets, down

SOLUTION: left

PROBLEM: Category: date status 
Words: delayed, belated, prompt, current, jetstream

SOLUTION:
jetstream