sentences:  The cities bus services, GM Buses were demerged in 1996 with Stagecoach Group gaining control of the GM South bus services and First Bus gaining GM Bus' gaining GM North bus services.Stagecoach Manchester is the Stagecoach Group's their largest subsidiary carrying over 87 million passengers a year and employing 1,700 staff.First Greater Manchester also operate a thorough bus service in Manchester alongside Stagecoach.