Are the leafless trees behind or in front of the tall building?
The trees are behind the tower.
    src        edge_attr  dst
0     0               of    8
1     0   to the left of    5
2     1   to the left of    2
3     2  to the right of    1
4     5               of    8
5     5  to the right of    0
6     6           behind    9
7     6             near    9
8     6          next to    9
9     8               on    9
10    9      in front of    6
11    9             near    6