. John chased the dog down the street . I saw John dog Mary and later Mary throw the ball toJohn on the street . John saw a dog and cat . The dog chased thecat . John had to leave on time . Mary stayed and played with the cat .The cat chased Mary . Mary chased the cat . Mary threw the ball at the cat .The cat ran away . Mary played with the dog . I saw John  bank the airplane .Mary went to the river bank . Mary is tired so she is taking a leave of absense .John saw the dog ball the cat . Mary borrowed a saw from John . That was a good throw .John saw the dog throw the cat and the dog leave .