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: Amy was playing in the back yard with her friends. Sentence2: Suddenly she saw a small snake slither across her arm! Sentence3: She shrieked and ran, but not before the snake bit her hand! Sentence4: Amy was terrified and called an ambulance right away.
The ambulance treated her snake bike.