In this task, you're given a four sentences of story written in natural language. Your job is to complete end part of the story by predicting appropriate last sentence which is coherent with the given sentences.
Q: Sentence1: Mary needed to have teeth pulled. Sentence2: She wanted the dentist to put her to sleep. Sentence3: All he could do was numb the area with Novocaine. Sentence4: Mary stared at him in horror.
A:
After seeing her expression, the dentist was able help Mary.