Task: Story Composition
Input (English): Premise: Viktor could not get his microscope to focus. 
 Initial Context: His professor came to help. 
 Original Ending: His professor also could not get it to focus. The professor wiped the lens with a solvent. He was then able to focus the lens. 
 Counterfactual Context: His professor fixed it for him.
Output (English): His professor also had difficulty getting it to focus. The professor wiped the lens with a solvent. He was then able to focus the lens.