Task: Coherence Classification
Input (English): Sentence 1: Nancy was walking across the office. 
 Sentence 3: Not only a computer fell out but a few other electronics did 
 Sentence 4:  The boss came in to find out what the big noise came from 
 Sentence 5:  He began to get angry at Nancy 
 Option 1: Nancy tripped and fell down the stairs. 
 Option 2: Her leg tripped on a large cord.
Output (English): Option 2