premise: Pat liked to spend time online.
initial: He downloaded many files without being careful.
counterfactual: He set his computer up so that all his browsing was done in a virtual environment, meaning he was completely safe from viruses.
original_ending: One day, his computer stopped working. Pat brought it to a computer technician, who told him he had a virus. Pat asked the technician to remove the virus.
edited_ending: One day, his computer stopped working despite these precautions.Pat brought it to a computer technician, who told him he had a virus.Pat asked the technician to remove the virus and make his system even safer.<SEP>One day his computer stopped workingPat brought it to a computer technician who told him the virtual environment was a virusPat asked the technician to remove the virus<SEP>One day, his computer stopped working.Pat brought it to a computer technician, who told him his computer was overheatedPat asked the technician to repair the computer.