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: Kathy waited patiently on the boat, she was very excited. Sentence2: This was her first whale watching trip and she had waited all summer. Sentence3: When the boat anchored in, the water was still and no whales appeared. Sentence4: Finally the captain made a motion for everyone to look to the horizon.

A large blue whale breached the water before Kathy's eyes.