Task: Coherence Classification
Input (English): Sentence 1: Keith had served in the army. 
 Sentence 3: Keith was attending a New Year's celebration 
 Sentence 4:  He knew that the fireworks would remind him of gunfire 
 Sentence 5:  Keith left before the fireworks 
 Given Sentence 2: While boarding the plane, he thought about airplanes crashing.
Output (English): No