premise: SummerSlam was promoted by WWE.
hypothesis: SummerSlam is a professional wrestling pay-per-view ( PPV ) event , produced annually in August by professional wrestling promotion WWE . SummerSlam ( 2014 ) was a professional wrestling pay-per-view ( PPV ) event produced by WWE . SummerSlam ( 2016 ) was a professional wrestling pay-per-view ( PPV ) event and WWE Network event produced by WWE .