Who is on the fence on the left?
The boy is on the fence.
    src        edge_attr  dst
0     0   to the left of   20
1     0   to the left of   17
2     1               on    2
3     1   to the left of   20
4     1   to the left of    3
..  ...              ...  ...
57   20   to the left of   14
58   20   to the left of   15
59   20   to the left of   19
60   20  to the right of    0
61   20  to the right of    2

[62 rows x 3 columns]