Task: Story Composition
Input (English): Premise: The last of the crates were loaded into the university lab. 
 Initial Context: The preparation would soon begin. 
 Original Ending: The technician wondered what they might contain. He gathered several other excited workers. They had much work to do. 
 Counterfactual Context: The project was finally complete.
Output (English): The technician wondered what they might do next. He gathered several other excited workers. They had much to celebrate.