sentence: Two trains drive along an elevated rail in a city. sentence:  The camera pans to show a man playing a harmonica while sitting on a log beside a river. sentence:  A woman walks near the train tracks while a train drives by. sentence:  The woman sees the harmonica playing man in the distance. sentence:  She watches him and listens to him playing. sentence:  She walks away leaving the man. sentence:  The man finishes playing and remains seated.