Tea (90, 50)
Cup (80, 40)
Kettle (70, 30) [square]
Water (60, 20) [triangle]

Tea -> Cup
Cup -> Kettle
Kettle -> Water

[Note] (50, 50) This is a simple tea supply chain
[Group] Tea, Cup, Kettle
[Inertia] Kettle
[Evolution] Tea + 10