Task: Story Composition
Input (English): Premise: Mark loved to read. 
 Initial Context: One day Mark discovered the town library. 
 Original Ending: Mark thought he died and went to heaven. In the library, Mark tried reading every book. Now Mark works at the library because he loves reading! 
 Counterfactual Context: He'd never been to a library though.
Output (English): One day his mother took him to get a card. Mark thought he died and went to heaven. Now Mark works at the library because he loves reading!