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: Grandma accidentally locked herself in the bathroom. Sentence2: She could not figure out how to unlock the door. Sentence3: She cried out for help. Sentence4: Grandpa came running to help Grandma.
A:
Grandpa was able to unlock the door from the outside.