story: Nate and his class were playing a game with marshmallows. They raced to see who could push one with his nose the fastest. Nate really wanted to win the race. He gave one last big push with the top of his head. Nate got marshmallow stuck in his hair.
 selected sentence: He gave one last big push with the top of his head.
Nate want(s) to win the race >Motivates> Nate gives one last push