What is the tree in?
The tree is in the pot.
    src        edge_attr  dst
0     0               at   18
1     0   to the left of   13
2     0   to the left of   15
3     0  to the right of    8
4     1  to the right of    9
..  ...              ...  ...
60   20  to the right of   11
61   21   to the left of   11
62   21             near   19
63   21   to the left of   17
64   21   to the left of    8

[65 rows x 3 columns]