Task: Coherence Classification
Input (English): Sentence 1: Dan was about to travel to meet his parents this weekend. 
 Sentence 3: Dan searched his entire apartment for the passport 
 Sentence 4:  Dan realized that his passport was lost 
 Sentence 5:  Dan was upset that he could not find his passport anywhere 
 Option 1: As Dan was packing, Dan realized he was missing his passport. 
 Option 2: As Dan was packing, he thought of buying some gifts for his parents.
Output (English): Option 1