Task: Coherence Classification
Input (English): Sentence 1: Tom was going to Indiana. 
 Sentence 3: However, he lost his plane ticket 
 Sentence 4:  He was sad 
 Sentence 5:  However, the pilot said he could ride for free 
 Option 1: He was going to see his sister. 
 Option 2: He was taking the train to see his sister.
Output (English): Option 1