Is the black fence to the right or to the left of the person that is looking at the giraffe?
The fence is to the right of the person.
    src       edge_attr  dst
0     0  to the left of   21
1     0  to the left of   19
2     0  to the left of   20
3     1  to the left of   21
4     1              of    4
..  ...             ...  ...
75   23  to the left of   21
76   24  to the left of   21
77   26  to the left of   13
78   26  to the left of    3
79   26  to the left of   20

[80 rows x 3 columns]