Task: Coherence Classification
Input (English): Sentence 1: Mister Song was a brilliant concert pianist. 
 Sentence 3: The audience noticed and started to get restless 
 Sentence 4:  Mister Song opened the piano and peered inside 
 Sentence 5:  A mouse was running around on the strings, dampening the sound 
 Given Sentence 2: One day at a concert his piano was in horrible pitch.
Output (English): Yes