Is the garbage can to the left or to the right of the man that is sitting on the bench?
The garbage can is to the right of the man.
    src        edge_attr  dst
0     0   to the left of    1
1     0  to the right of    9
2     0   to the left of   11
3     0  to the right of   10
4     1          wearing   11
..  ...              ...  ...
81   19   to the left of    1
82   20  to the right of    2
83   20  to the right of    5
84   20  to the right of    8
85   20  to the right of    6

[86 rows x 3 columns]