Sentence 1: I played a joke on my friend by wrapping his car in plastic wrap. 
 Sentence 3: I laughed as he tried to rip off the plastic for 20 minutes 
 Sentence 4:  In the end I just called him an ambulance 
 Sentence 5:  In retrospect I should've realized off the bat that he was bleeding 
 Option 1: He didn't notice the joke. 
 Option 2: He would have thought it was funny if he was not in such a hurry.