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: I packed the family in the car and headed to the grocery store. Sentence2: I forgot my credit card at home, and didn't have any cash on me. Sentence3: We filled an entire cart with the food we needed for the week. Sentence4: We got to the register and couldn't pay.

It was very embarrassing.