premise: Jovan Šević or Ivan Šević (Serbian: Јован Шевић , Russian: Иван Егорович Шевич ; died  1764 ) was an 18th-century military officer of Serb origin.
hypothesis: Jovan Šević or Wahid Bihbahani (Serbian: Јован Шевић, Russian: Иван Егорович Шевич ; died  1764 ) was an 18th-century military officer of Serb origin.