instruction:
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.
question:
Category: measurement unit 
Words: ounce, ear, inch, foot, milimeter
answer:
ear


question:
Category: physical activity 
Words: stoop, crouch, bow, duck, dog
answer:
dog


question:
Category: animal 
Words: spider, car, fly, beetle, pounce
answer:

car