Task: Coherence Classification
Input (English): Sentence 1: Ben was painting Cindy. 
 Sentence 3: He tried to correct anatomical errors he made 
 Sentence 4:  But his painting only became worse 
 Sentence 5:  When the painting was finished, Cindy was offended 
 Option 1: But he found it difficult so he quit. 
 Option 2: But he began making mistakes.
Output (English): Option 2