Sentence 1: Manny was driving down the street when he saw a car wreck. 
 Sentence 3: There was a man lying in the middle of the road 
 Sentence 4:  The man was unconscious and his heart wasn't beating 
 Sentence 5:  When the ambulance came, they found Manny giving CPR to the man 
 Given Sentence 2: He got out of the car to investigate.