Task: Coherence Classification
Input (English): Sentence 1: A container ship left China with a cargo of rare earth metals. 
 Sentence 3: The buyer invoked the fine print on the futures contract 
 Sentence 4:  He declined to accept the shipment 
 Sentence 5:  In the end, the ship and cargo were scuttled for the insurance money 
 Option 1: While it was at sea, the market for rare earths collapsed. 
 Option 2: While it was at sea, the market for rare earths skyrocketed.
Output (English): Option 1