Sentence 1: Carla's ex-boyfriend wouldn't stop calling her. 
 Sentence 3: Carla asked the boyfriend to stop calling 
 Sentence 4:  He didn't listen to her 
 Sentence 5:  Carla finally blocked his number 
 Option 1: She really wanted him to leave her alone. 
 Option 2: She really wanted him to leave her alone but will never block his number.