Complex sentence: A natural pitch with grass longer or more moist than usual is described as A green pitch favours the bowler over the batsman as the ball can be made to behave erratically on longer or wet grass.
Split into simpler sentences: A natural pitch with grass longer or more moist than usual is described as a green pitch. This favours the bowler over the batsman as the ball can be made to behave erratically on longer or wet grass.