Is the tree behind the red traffic light?
Yes, the tree is behind the signal light.
     src        edge_attr  dst
0      0            above   19
1      0            above    2
2      0  to the right of    7
3      0   to the left of   22
4      0  to the right of   26
..   ...              ...  ...
159   26   to the left of   18
160   26   to the left of    2
161   26   to the left of   12
162   26   to the left of    1
163   26   to the left of    0

[164 rows x 3 columns]