story: Mary was driving home one night after work. The truck in front of her was carrying gravel. All of the sudden, she heard a loud crack. A rock had flown out of the truck and hit her windshield. Mary was very sad that she would have to pay for a repair.
 selected sentence: A rock had flown out of the truck and hit her windshield.
A rock flies out of the truck and hits Mary's windshield >Causes/Enables> Mary has to pay for a repair