Are there any horses to the left of the calf?
Yes, there is a horse to the left of the calf.
    src        edge_attr  dst
0     0               of    7
1     0  to the right of    8
2     0   to the left of    1
3     1  to the right of   11
4     1  to the right of    7
5     1  to the right of    0
6     2  to the right of    5
7     2               of    3
8     2  to the right of   11
9     3  to the right of    5
10    3  to the right of   11
11    4  to the right of    5
12    5   to the left of    3
13    5   to the left of    2
14    5  to the right of   11
15    5   to the left of    4
16    7   to the left of    1
17    8   to the left of    0
18    9  to the right of   11
19   10               of   11
20   11   to the left of    5
21   11   to the left of    9
22   11               by    7
23   11   to the left of    1
24   11   to the left of    3
25   11   to the left of    2