Complex sentence: Since disarming the bomb is impossible, Ros threatens to leave Price behind when the bomb explodes unless he divulges the room both politicians are held; though Price eventually discloses the room number, Ros leaves Price in the room where the bomb is anyway.
Split into simpler sentences: Since disarming the bomb is impossible, Ros threatens to leave Price behind when the bomb explodes unless he divulges the room both politicians are held. Although Price eventually discloses the room number, Ros leaves him in the room where the bomb is anyway.