Detailed Instructions: 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: Olena was in the waiting room for her checkup. Sentence2: An old man came in and sat close to her. Sentence3: He tried to touch her and asked if they can go out. Sentence4: She immediately called security.
A:
The guard escorted the man to another place.