sentence: The men are playing riding the horses are playing polo in a green field. sentence:  Spectators wearing sunglasses are watching. sentence:  The player in the white horse hit the ball. sentence:  The players ran after the ball. sentence:  A view below is a big green field with a water fountain in the center. sentence:  The spectators sitting on the chairs are cheering. sentence:  The player on a brown horse is running towards the white ball. sentence:  A man hit the ball. sentence:  People ware walking at the parking lot.