Input (grade 12): Contrary to the Warren Commission, the United States House Select Committee on Assassinations (HSCA) in 1979 concluded that President John F. Kennedy was probably assassinated as a result of a conspiracy.
Output (grade 11): Another investigation, by the United States House Select Committee on Assassinations (HSCA) in 1979, found that President John F. Kennedy was probably killed as a result of a conspiracy (a secret plot).