premise: Kellyanne Conway studied the "Bowling Green massacre" which never occurred.
hypothesis: Kellyanne Conway . Since Trump 's inauguration , Conway has been embroiled in a series of controversies , including using the phrase `` alternative facts '' , making reference to a `` Bowling Green massacre '' that never occurred , claiming Michael Flynn had the full confidence of the president hours before he was dismissed , and publicly endorsing commercial products associated with the president 's daughter Ivanka Trump .