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: One man bet another that he could outstare a duck. Sentence2: A duck was found and stared at. Sentence3: Although the duck was unaware of what was happening, it did not blink. Sentence4: It did, however, wet its eyes with its nictitating membrane.

The man eventually blinked.