food(apple).
food(broccoli).
food(carrot).
food(lettuce).
food(orange).
food(rice).
food('Big Mac').

color(sky, blue).
color(dirt, brown).
color(grass, green).
color(broccoli, green).
color(lettuce, green).
color(apple, red).
%color(apple, green).
color(carrot, orange).
color(orange,orange).
color(rice, white).         


