Task: Coherence Classification
Input (English): Sentence 1: We bought a book from Amazon. 
 Sentence 3: We got an email saying UPS did not deliver the book 
 Sentence 4:  I was upset and contacted Amazon 
 Sentence 5:  They refunded me 
 Option 1: It was to be delivered Friday. 
 Option 2: It wasn't delivered by Friday.
Output (English): Option 1