Are there any small airplanes or trucks?
Yes, there is a small airplane.
   src        edge_attr  dst
0    0               in    7
1    1   on the side of    0
2    1  to the right of    5
3    3  to the right of    5
4    5   to the left of    3
5    5   to the left of    1
6    5   to the left of    6
7    6  to the right of    5