Is the color of the tree different than the sign?
Yes, the tree is green and the sign is white.
     src        edge_attr  dst
0      0   to the left of    3
1      0   to the left of   12
2      0   to the left of    5
3      0  to the right of   14
4      1   to the left of   21
..   ...              ...  ...
114   22  to the right of    1
115   22  to the right of   15
116   22  to the right of   17
117   22  to the right of   19
118   22  to the right of   18

[119 rows x 3 columns]