Question: Six people were killed by serb snipers in an American brand of hotels, and a subsidiary of what?
Sentence (from "1992 anti-war protests in Sarajevo"): Six Serb snipers were arrested, but were exchanged when the Serbs threatened to kill the commandant of the Bosnian police academy who was captured the previous day, after the Serbs took over the academy and arrested him.
Relevant evidence: No