What is the horse walking by?
The horse is walking by the water.
    src        edge_attr  dst
0     5               in   14
1     6   to the left of   19
2     6   to the left of   13
3     7  to the right of    8
4     7  to the right of   15
5     8   to the left of    7
6     8   to the left of   12
7     8               of   15
8     9   to the left of   12
9    10   to the left of   12
10   10            below    0
11   12  to the right of   15
12   12  to the right of    9
13   12  to the right of   10
14   12  to the right of    8
15   13  to the right of    6
16   13   to the left of   19
17   15   to the left of    7
18   15             near   19
19   15   to the left of   12
20   15               in   14
21   15     walking near   16
22   15               on    5
23   19  to the right of   13
24   19  to the right of    6
25   19             near   15