Task: Coherence Classification
Input (English): Sentence 1: Ana wanted to quit heroin. 
 Sentence 3: She had to cut down slowly 
 Sentence 4:  Every day she took a little less 
 Sentence 5:  Soon she was totally clean from heroin! 
 Option 1: She went cold turkey. 
 Option 2: But she got terribly sick.
Output (English): Option 2