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: type of sandwich 
Words: grilled cheese, french toast, outing, burger, club

SOLUTION: outing

PROBLEM: Category: secretary duty 
Words: support, type, file, software, answer

SOLUTION: software

PROBLEM: Category: nutritional value 
Words: vitamin c, carbs, fiber, fat, thin

SOLUTION:
thin