Task: Coherence Classification
Input (English): Sentence 1: Tom's printer ran out of ink. 
 Sentence 3: It was really expensive 
 Sentence 4:  Tom checked online instead 
 Sentence 5:  He got it much cheaper 
 Option 1: He went to the store to buy more. 
 Option 2: He went online to buy some more.
Output (English): Option 1