Are there people to the left of the fence in the top?
No, the person is to the right of the fence.
    src        edge_attr  dst
0     0  to the right of   13
1     0   to the left of    5
2     0  to the right of    2
3     1   to the left of   15
4     1   to the left of    7
..  ...              ...  ...
61   15  to the right of    1
62   15  to the right of    7
63   15   to the left of   13
64   16               of    5
65   18   to the left of    5

[66 rows x 3 columns]