Task: Coherence Classification
Input (English): Sentence 1: Sandy was a school teacher. 
 Sentence 3: She offered to give extra credit 
 Sentence 4:  He refused 
 Sentence 5:  He failed her class 
 Option 1: She had a student who was working hard, but failing. 
 Option 2: She had a student that was failing.
Output (English): Option 2