story: Ben was working out yesterday. He dropped a forty-five pound plate on his foot. He had to go to the emergency room for a fractured foot. Ben's operation cost a ton of money. He can't wait to go back to the gym, though.
 selected sentence: He had to go to the emergency room for a fractured foot.
Ben had to go to the emergency room for a fractured foot >Causes/Enables> Ben had an operation on his foot