Add IC2-specific data

		undef, undef, ['has_family_area'],

		[ 'has_quiet_area', 'has_bahn_comfort' ]    # (5) (6) 7 8

	],

	'IC2' => [

		[ 'has_family_area', 'has_bike_storage' ], ['has_bike_storage'],   # 1 2

		['has_bike_storage'], [ 'has_bike_storage', 'has_bahn_comfort' ],  # 3 4

		[ 'has_bahn_comfort', 'has_quiet_area', 'has_phone_area' ]         # 5

	],

);

sub new {