Q: 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.
Sentence1: Marvin had a date with his girlfriend. Sentence2: When it was time to go he couldn't find his phone. Sentence3: He decided he should call her and tell her he was running late. Sentence4: Suddenly he realized he needed his phone for that.
A:
Marvin didn't know what to do.