Commonsense: Birds flying

• All birds fly.

• Penguins can’t fly. (Google)

• A bird with a broken wing can’t fly. (Google)

  • Wing is-a-part-of bird.
  • Wing is-instrument-of flying.

• A dead bird can’t fly.

  • dead ~ motionless (Google)
  • fly = verb of motion

• A young bird can’t fly. (Google)

Notes: