Task: Coherence Classification
Input (English): Sentence 1: Carl wanted to buy a new car. 
 Sentence 3: Eventually he decided on one 
 Sentence 4:  When he went to the dealership they didn't have it 
 Sentence 5:  Carl decided to wait until they got one in 
 Option 1: He did a lot of research online. 
 Option 2: He decided to buy his parents unused car.
Output (English): Option 1