TASK DEFINITION: Given a set of five words, generate the word from the set that does not belong (i.e. is the least relevant) with the other words. Words are separated by commas.
PROBLEM: ecstatic, content, disappointed, sad, service

SOLUTION: service

PROBLEM: fighter, boring, popular, standard, general

SOLUTION: fighter

PROBLEM: major, colonel, normal, general, fighter

SOLUTION:
normal