The pine is where?
The pine is on the hill.
   src        edge_attr  dst
0    0               on    5
1    0   to the left of    5
2    0   to the left of    2
3    0   to the left of    8
4    2  to the right of    0
5    5  to the right of    0
6    5  to the right of    8
7    8   to the left of    5
8    8  to the right of    0