Is there a horse in this picture?
Yes, there is a horse.
   src        edge_attr  dst
0    0   to the left of    1
1    1  to the right of    0
2    3  to the right of   10
3    4  to the right of    5
4    5   to the left of    4
5    8               on    4
6    8   to the left of    9
7    9  to the right of    8
8   10   to the left of    3