Task: Story Composition
Input (English): Premise: Marcus and Trent have been planning a picnic together. 
 Initial Context: They spent all morning preparing lunch and snacks. 
 Original Ending: Marcus and Trent arrived at the park. They laid out the blanket and all the food. As soon as they sat down, a flash storm hit. 
 Counterfactual Context: They spent all morning deciding what to eat when they went to go to the lake.
Output (English): Marcus and Trent arrived at the lake. They laid out the blanket and all the food. As soon as they sat down, a flash storm hit.