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: physical activity 
Words: bend, duck, goose, jog, crouch

SOLUTION: goose

PROBLEM: Category: emotional status 
Words: concerned, board, nervous, emotional, fret

SOLUTION: board

PROBLEM: Category: window material 
Words: translucent fabric, metal, glass, coating, dish

SOLUTION:
dish