Do you think the ground is red?
Yes, the ground is red.
     src        edge_attr  dst
0      0   to the left of   21
1      2   to the left of    7
2      3   to the left of   21
3      3   to the left of    8
4      3  to the right of    6
..   ...              ...  ...
143   26             near   11
144   27   to the left of    6
145   27   to the left of    5
146   28   to the left of    7
147   28           behind   11

[148 rows x 3 columns]