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: animals 
Words: duck, jog, cat, pig, mallet

SOLUTION: jog

PROBLEM: Category: poker 
Words: level, blind, pack, draw, deck

SOLUTION: level

PROBLEM: Category: date status 
Words: timely, current, postponed, moon, do tests

SOLUTION:
moon