Are there any bikers in the image?
Yes, there is a biker.
     src        edge_attr  dst
0      0               by   13
1      0   to the left of   27
2      0   to the left of    6
3      0   to the left of    7
4      0  to the right of    2
..   ...              ...  ...
149   26      approaching    1
150   26   to the left of    1
151   26               on   13
152   26      in front of   25
153   27  to the right of    0

[154 rows x 3 columns]