What's on the street light?
The ball is on the lamp post.
     src        edge_attr  dst
0      0  to the right of   19
1      1  to the right of   19
2      2   to the left of   13
3      2   to the left of   15
4      2   to the left of   16
..   ...              ...  ...
143   26   to the left of   24
144   26               on   11
145   27   to the left of    9
146   27  to the right of   11
147   27   to the left of   19

[148 rows x 3 columns]