Task: Coherence Classification
Input (English): Sentence 1: Mary had a lot of knee trouble. 
 Sentence 3: She decided to go to the doctor and look for help 
 Sentence 4:  The doctor ordered an MRI and decided she needed surgery 
 Sentence 5:  Mary had surgery and now has almost full use of her knee without pain 
 Given Sentence 2: She didn't get off work until 6:30.
Output (English): No