Are the horses to the right of the man white or brown?
The horses are brown.
    src        edge_attr  dst
0     1   to the left of   11
1     1   to the left of    4
2     2  to the right of    3
3     3   to the left of    2
4     4   to the left of   13
5     4  to the right of    1
6     5   to the left of   13
7     6   to the left of   13
8     7   to the left of   11
9     8   to the left of   13
10    9   to the left of   13
11   11  to the right of    1
12   11  to the right of    7
13   12   to the left of   13
14   13  to the right of    6
15   13  to the right of    5
16   13  to the right of    9
17   13  to the right of    8
18   13  to the right of   12
19   13  to the right of    4