What is in front of the trees?
The window is in front of the trees.
     src        edge_attr  dst
0      0          next to    2
1      0             near    2
2      0   to the left of    2
3      0   to the left of    1
4      0  to the right of   20
..   ...              ...  ...
98    22               on    5
99    22   to the left of   17
100   22  to the right of   19
101   22   to the left of   14
102   22   to the left of   16

[103 rows x 3 columns]