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: ocean 
Words: up to the moment, tide, current, jetstream, brine

SOLUTION: up to the moment

PROBLEM: Category: type of sandwich 
Words: clan, lettuce, bacon, club, submarine

SOLUTION: clan

PROBLEM: Category: date status 
Words: current, late, belated, delayed, blue

SOLUTION:
blue