Do you see a bike to the right of the truck?
No, the bike is to the left of the truck.
     src        edge_attr  dst
0      0   to the left of   30
1      1   to the left of   21
2      1  to the right of   26
3      1  to the right of   17
4      2               on    2
..   ...              ...  ...
185   29   to the left of   12
186   29   to the left of   13
187   30  to the right of    0
188   30   to the left of   19
189   30  to the right of    3

[190 rows x 3 columns]