Are there bicycles in the scene?
Yes, there is a bicycle.
    src        edge_attr  dst
0     0   to the left of    2
1     1               on    2
2     2               on    9
3     2  to the right of    3
4     2  to the right of    0
5     3   to the left of    2
6     3               on    0
7     7  to the right of   10
8     8               in    5
9     8  to the right of   10
10   10   to the left of    8
11   10   to the left of    7