story: Joe was on the way to his sister's party. When she called and told him to get more chips from the store. Joe went to the store to look for chips. He found a good deal for chips and bought them. Joe drove to his sister's house with the chips.
 selected sentence: When she called and told him to get more chips from the store.
Joe's sister want(s) chips >Motivates> Joe's sister tells Joe to buy chips