Task: Coherence Classification
Input (English): Sentence 1: When Fred walked into the classroom he was shocked. 
 Sentence 3: Fred froze 
 Sentence 4:  He was unprepared 
 Sentence 5:  So he ended up falling 
 Option 1: Apparently a pop quiz was just assigned. 
 Option 2: He walked into the wrong room.
Output (English): Option 1