Task: Coherence Classification
Input (English): Sentence 1: John had a hairy back. 
 Sentence 3: She asked him to shave it 
 Sentence 4:  He said yes 
 Sentence 5:  She shaved his back 
 Option 1: His girlfriend would joke about it. 
 Option 2: His brother would joke about it.
Output (English): Option 1