1 krisbash 1.1 instance of W
 2              {
 3                  Left=    instance of X
 4                  {
 5                      Key=Hello
 6                  }
 7                  Right=    instance of Y
 8                  {
 9                      Key=        instance of Z
10                      {
11                          ID=Mine
12                      }
13                  }
14              }