What's in front of the trunk?
The fence is in front of the trunk.
     src        edge_attr  dst
0      0   to the left of   14
1      0   to the left of   18
2      0   to the left of   19
3      0   to the left of   20
4      0  to the right of    8
..   ...              ...  ...
112   24             near   22
113   25  to the right of   10
114   25  to the right of   16
115   25   to the left of   19
116   25  to the right of   18

[117 rows x 3 columns]