Task: Coherence Classification
Input (English): Sentence 1: No one suspected that the garbage man was actually a Russian spy. 
 Sentence 3: He found out that the president preferred Pepsi to Coke 
 Sentence 4:  The spy sold this info to Pepsi for millions 
 Sentence 5:  He gave up on spying for Russia and is a spy for Pepsi 
 Given Sentence 2: She thought long and hard.
Output (English): No