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: The first time I went horseback riding was bad. Sentence2: I had no idea what I was doing. Sentence3: I couldn't steer the horse any direction. Sentence4: It started running uncontrollably.

I almost fell off before someone helped.