Is the gray building in front of the green trees?
Yes, the building is in front of the trees.
    src        edge_attr  dst
0     0   to the left of    7
1     2   to the left of   13
2     3   to the left of   20
3     4   to the left of    7
4     5       growing on    4
..  ...              ...  ...
64   22   on the side of   20
65   22   to the left of   21
66   22  to the right of   16
67   22  to the right of   19
68   22   to the left of    9

[69 rows x 3 columns]