Task: Story Composition
Input (English): Premise: Frank is working on an ad blocking extension for Chrome. 
 Initial Context: Development has been pretty tough lately. 
 Original Ending: He had to work for days to get around tricks used by advertisers. Frank's extension is coming along nicely, though. It's the best ad blocker I've ever used. 
 Counterfactual Context: Development has been easy and quick lately.
Output (English): He had to employ rudimentary tactics to get around the usual advertisers. Frank's extention was completed very quickly. It's the best ad blocker I've ever used.