What is the color of the tall trees?
The trees are green.
     src        edge_attr  dst
0      0  to the right of    2
1      0  to the right of    7
2      1   to the left of   20
3      1  to the right of   30
4      1   to the left of    2
..   ...              ...  ...
225   32   to the left of    2
226   32  to the right of    3
227   32   to the left of    8
228   32  to the right of   30
229   32   to the left of   29

[230 rows x 3 columns]