story: Linet was a tough girl. She was not afraid of anyone or anything. One day a boy decided to pick on Linet. He thought she wasn't going to be able to defend herself. Linet left the boy with a black eye and bruised leg.
 selected sentence: He thought she wasn't going to be able to defend herself.
The boy want(s) power >Motivates> He thinks Linet can't defend herself