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: Kim saw a mother unloading her shopping cart in a parking lot. Sentence2: The mother's little toddler was sitting in the cart's child seat. Sentence3: Suddenly, while the mother was turned, the cart started rolling away! Sentence4: Kim, realizing the child was in great danger, lunged toward the cart.

KIm breathlessly saved the child.