Which kind of animal is to the right of the barn?
The animal is a horse.
    src        edge_attr  dst
0     0   to the left of    3
1     1   to the left of    2
2     1   to the left of    9
3     1  to the right of   10
4     2  to the right of   12
5     2  to the right of    1
6     2  to the right of    5
7     3  to the right of    6
8     3  to the right of    0
9     4   to the left of   12
10    4  to the right of   10
11    5  to the right of   10
12    5   to the left of    2
13    6   to the left of    3
14    6   to the left of    7
15    7  to the right of    6
16    9  to the right of   12
17    9  to the right of    1
18   10   to the left of    5
19   10   to the left of    4
20   10   to the left of   12
21   10   to the left of    1
22   12  to the right of   10
23   12   to the left of    9
24   12  to the right of    4
25   12   to the left of    2