Task: Coherence Classification
Input (English): Sentence 1: The new library was set to be unveiled. 
 Sentence 3: All of the students and faculty were excited to see it 
 Sentence 4:  The day arrived and the doors were opened 
 Sentence 5:  Everyone agreed the new library was beautiful 
 Option 1: But there was a fire the night before the grand opening!. 
 Option 2: The college had been working on it for 3 years.
Output (English): Option 2