On which side is the blue van?
The van is on the right of the image.
   src        edge_attr  dst
0    0  to the right of    5
1    0  to the right of    3
2    2  to the right of    5
3    2  to the right of    3
4    3   to the left of    2
5    3   to the left of    0
6    3   to the left of    4
7    4  to the right of    3
8    5   to the left of    2
9    5   to the left of    0