Definition: 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.
Input: Sentence1: Gina and her friend Tami were walking around the playground. Sentence2: They talked for 5 minutes. Sentence3: Now they were out of thing to discuss. Sentence4: Gina racked her brain but could find nothing to say.

They just walked comfortably in silence for a while.