Which place is it?
It is a park.
   src        edge_attr  dst
0    1  to the right of    5
1    1   to the left of    4
2    4  to the right of    1
3    4            below    6
4    5   to the left of   11
5    5   to the left of    1
6   10        riding on   11
7   11  to the right of    5