on right click holding a gold nugget:
   name of held item contains "<green>TreeKey"
   remove 1 of nether star from player
   set {_temp} to random integer between 1 and 10
   if {_temp} is between 1 and 10:
      message "<yellow>世界樹の街へのテレポートが成功しました!" to player
      teleport the player to the location (656.52, 52, 232.52)
   else if {_temp} is between 0 and 0:
      message "&4粉々になった・・・テレポートに失敗したようだ" to player