tree, pine, stone
bicycle, competition, race
pollution, wasteland, environment
power, cube, rotation
vintage, map, compass
board, slate, blackboard
stylized person, cartoon character, patchwork shirt
plane, jet, aircraft
diet, vernier, sandwich
brain, mind, think
hulk, strength, muscular
wonder woman, superhero, costume
slavery, freedom, chains
rope, knot, string
fist, punch, power
pollution, air pollution, smoke
typewriter, write, old
