Task: Coherence Classification
Input (English): Sentence 1: Parker was going on a business trip overseas. 
 Sentence 3: He bought his ticket and took a seat 
 Sentence 4:  As the plane began to move, Parker took a few sleeping pills 
 Sentence 5:  He woke up in time to see the sun rise over the Tokyo skyline 
 Option 1: He had flown many times, and was relaxed on the way to the airport. 
 Option 2: He had never flown before and was nervous all the way to the airport.
Output (English): Option 2