system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Classify each of the following as either round or square shape: wheel, paper napkin, building block, ring, coin, ball, grid, bread, bubble, dice, hula hoop, window, stamp, earth, crossword, tambourine, bagel, keyboard key, cube, letter O.


assistant
Objects that have circular (round) shape include: bagel, ball, bubble, coin, earth, hula hoop, letter O, ring, tambourine, wheel.
Objects that have square shape include: bread, building blocks, crossword, cube, dice, grid, keyboard key, paper napkin, stamp, window.