sentence: A man is wearing a contraption which holds his small son on his back as he hikes in the woods. sentence:  We see the boy playing in an indoor porch at the house. sentence:  The boy runs into the yard and his dad puts a helmet on him and helps him skateboard. sentence:  The dad skateboards and holds the boy. sentence:  We then see the ending screen and switch to the boy sitting on a rock high five his dad and we return to the close screen.