Task: Story Composition
Input (English): Premise: Greg stood on the deck of a wooden ship. 
 Initial Context: He lifted his harpoon and threw it with all of his might. 
 Original Ending: It pierced the whale's fin. The creature's blood spilled in the water. The Captain ordered everyone to reel the whale in. 
 New ending: Its tail cut Greg's head and knocked him overboard. Greg's blood spilled in the water. The captain ordered everyone to attack the whale. 
Output (English): He lifted his harpoon and threw it with all of his might but the creature killed Greg.