In October 1997 in preparation for privatisation , the PTC 's suburban rail and tram operations were split into separate business units , Bayside Trains , Hillside Trains , Swanston Trams and Yarra Trams .
Head entity: bayside trains Q6712082 23 24
Tail entity: hillside trains Q5161793 26 27
Relation (head \u2192 tail): P156
Inverse relation (tail \u2192 head): P155