Do you see any horses to the right of the short fence?
No, there is a person to the right of the fence.
     src        edge_attr  dst
0      0  to the right of   13
1      0  to the right of   15
2      0  to the right of   23
3      0  to the right of   16
4      0  to the right of   19
..   ...              ...  ...
137   24  to the right of   11
138   24  to the right of    5
139   24  to the right of    9
140   24  to the right of    7
141   24  to the right of   20

[142 rows x 3 columns]