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: standard, general, regular, universal, commander

SOLUTION: commander

PROBLEM: duplex, studio, cabin, horizontal, flat

SOLUTION: horizontal

PROBLEM: fudge, fix, chocolate, brownies, chocolate cake

SOLUTION:
fix