What is in front of the bench?
The tree is in front of the bench.
    src        edge_attr  dst
0     1  to the right of    9
1     1   to the left of   10
2     1   to the left of   15
3     1   to the left of    8
4     1  to the right of   11
..  ...              ...  ...
87   18  to the right of    5
88   20   to the left of   21
89   20   to the left of   12
90   21  to the right of   17
91   21  to the right of   20

[92 rows x 3 columns]