Are there benches or mailboxes in the scene?
No, there are no mailboxes or benches.
   src        edge_attr  dst
0    1  to the right of    9
1    1   to the left of    8
2    2  to the right of    7
3    3  to the right of    9
4    5   to the left of   11
5    7   to the left of    2
6    8  to the right of    1
7    9   to the left of    3
8    9   to the left of    1
9   11  to the right of    5