Task: Coherence Classification
Input (English): Sentence 1: The ball shot out of the pipe quickly. 
 Sentence 3: My teacher aimed the pipe at the wall 
 Sentence 4:  My teacher put a drop of liquid in the pipe 
 Sentence 5:  It was the first day of chemistry class 
 Given Sentence 2: There was some a chemical reaction.
Output (English): Yes