Given the task definition and input, reply with output. 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: We camped down by the river and had a great time. Sentence2: We went the next week as well and it was a blast. Sentence3: The third week we invited some other friends and it was fun. Sentence4: That night one of our friends had a heart attack and died.
We never camped down by the river again.