Task: Story Composition
Input (English): Premise: My brother and I loved to climb trees. 
 Initial Context: We especially liked to build forts in them. 
 Original Ending: One year we built a board platform high in a pine tree. We were sitting up there when we saw a huge spider. We didn't climb as many trees after that. 
 Counterfactual Context: We especially loved to bird watch in them.
Output (English): One year we built a board platform high in a pine tree. We were sitting up there when we saw a huge falcon. We always climbed a lot of trees after that.