Task: Story Composition
Input (English): Premise: The Smith family has four little dogs. 
 Initial Context: They run up and down the fence in the backyard barking at other dogs. 
 Original Ending: When it rains they are in the mud and bring it in the house. Pam bought stones to line up along the fence and installed them. Now when it rains, the mud is left outside and not brought in. 
 Counterfactual Context: They never go into the back yard.
Output (English): When it rains they are in the house. Pam bought stones to line up along the fence and installed them. Now when it rains, the mud is left outside.