What is the shrub on?
The shrub is on the wall.
   src        edge_attr  dst
0    0   to the left of    7
1    1             near   12
2    1               on    4
3    4           behind   12
4    6             near   13
5    7  to the right of    0
6   12             near    1
7   12      in front of    4
8   13               on   12
9   13             near    6