What is parked on the brick sidewalk?
The motorcycle is parked on the sidewalk.
   src        edge_attr  dst
0    1   to the left of    9
1    1           behind    8
2    2               of    8
3    4               on    3
4    8        parked on    6
5    8      in front of    1
6    9  to the right of    1
7   10               on    9
8   10       sitting on    8
9   10               on    8