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