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: direction 
Words: down, lower, emotional upsets, below, falling

SOLUTION: emotional upsets

PROBLEM: Category: social gathering 
Words: group, dance hall, clan, club, dagwood

SOLUTION: dagwood

PROBLEM: Category: kitchenware 
Words: plastic, knife, bowl, glass, fork

SOLUTION:
plastic