Task: Coherence Classification
Input (English): Sentence 1: My boss sent me an email asking me about a virus he got. 
 Sentence 3: I called our email hosting provider 
 Sentence 4:  They said there had been a spoofing attack 
 Sentence 5:  They wiped my boss' email account and restored his old mail 
 Given Sentence 2: He said that the attachment had come from his very own address.
Output (English): Yes