Task: Coherence Classification
Input (English): Sentence 1: When I was 12 I started taking piano lessons. 
 Sentence 3: My fingers were too short to reach all the keys I needed to 
 Sentence 4:  Over time, I grew and improved 
 Sentence 5:  By the time I was 15 Year's old I could play Beethoven 
 Option 1: I was a natural. 
 Option 2: I wasn't very good at first.
Output (English): Option 2