Task: Coherence Classification
Input (English): 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. 
 Sentence5: The man eventually blinked.
Output (English): Yes