Task: Story Composition
Input (English): Premise: Carla had one son named Sam. 
 Initial Context: She wanted Sam to have siblings but she was without a partner. 
 Original Ending: She decided to adopt a little girl from China. It took 3 years for her paperwork to go through but finally it did. She brought Sam a little sister named Xiao. 
 Counterfactual Context: She wanted Sam to have siblings but she refused to adopt.
Output (English): Sam convinced her to finally adopt a little girl from China. It took 3 years for her paperwork to go through but finally it did. She brought Sam a little sister named Xiao.