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: construction 
Words: dump truck, swift, crane, upraise, windlass
answer:
swift


question:
Category: weather 
Words: cold, luke, fair, mild, light
answer:
light


question:
Category: kitchenware 
Words: bowl, glass, coating, knife, knifer
answer:

coating