Complex sentence: The canary unties Tom's wings and Tom falls 300 feet, slicing a tree in half because of his speed and when he recoverd he were tall.When tom was intact hethen carries Jerry away, but Tom chases them into a train tunnel.
Split into simpler sentences: The canary unties Tom's wings and Tom falls 300 feet, slicing a tree in half because of his speed. He then carries Jerry away, but Tom chases them into a train tunnel.