sentence: People walk around cars and tents and sit in chairs in the background doing different things. sentence:  A man and a dog are in the middle of a field preparing to play frisbee. sentence:  The man throws a frisbee and the dog runs, catches it and brings it back. sentence:  The dog is very excited preparing for his next trick. sentence:  The man kneels down and throws frisbees for the dog as he rolls, flips and walks around. sentence:  A second man joins the first man on the field and they both raise an arm and then turn to walk away together.