Task: Coherence Classification
Input (English): Sentence 1: Tom bought a vacuum. 
 Sentence 3: Tom didn't have his receipt 
 Sentence 4:  They were able to look him up with his credit card 
 Sentence 5:  Tom got to exchange it for another one 
 Option 1: It broke down within a week. 
 Option 2: It worked great.
Output (English): Option 1