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: Amanda was working as a teller in a bank. Sentence2: One day a masked man approached her belligerently. Sentence3: He brandished a gun and demanded money from her. Sentence4: She handed him a sack of money into which she'd put a dye packet.

The packet exploded and helped the cops identify the robber later.