Task: Story Composition
Input (English): Premise: Ken found the dusty old book, just sitting there. 
 Initial Context: He flipped it open out of idle curiosity. 
 Original Ending: Picture after picture showed how amazing the African continent was. Ken resolved he'd one day visit it. He grew up to be a world renown archaeologist. 
 Counterfactual Context: It was a spellbook.
Output (English): Page after page showed amazing magical spells. Ken decided to try one. He grew up to be a famous wizard.