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

SOLUTION: regular

PROBLEM: Category: widespread 
Words: regular, colonel, typical, ordinary, general

SOLUTION: colonel

PROBLEM: Category: food 
Words: goodies, frank, weenie, honest, hot dog

SOLUTION:
honest