What color is the horse on the left?
The horse is gray.
    src        edge_attr  dst
0     0  to the right of    4
1     1  to the right of   15
2     3   to the left of   11
3     3   to the left of    7
4     3   to the left of   12
5     3   to the left of   20
6     4   to the left of   19
7     4   to the left of    6
8     4   to the left of   22
9     4   to the left of    0
10    5   to the left of   14
11    6  to the right of    4
12    7  to the right of    3
13    7  to the right of   20
14    7  to the right of   11
15   11  to the right of   20
16   11  to the right of    3
17   11   to the left of    7
18   11   to the left of   12
19   12  to the right of    3
20   12  to the right of   11
21   12  to the right of   20
22   14  to the right of    5
23   14  to the right of   15
24   15   to the left of    1
25   15   to the left of   14
26   19   to the left of   21
27   19  to the right of    4
28   19   to the left of   24
29   19  to the right of   22
30   20   to the left of    7
31   20   to the left of   12
32   20   to the left of   11
33   20  to the right of    3
34   21  to the right of   19
35   21  to the right of   22
36   22  to the right of    4
37   22   to the left of   19
38   22   to the left of   21
39   22   to the left of   24
40   24  to the right of   19
41   24  to the right of   22