Are the glasses to the right or to the left of the boy?
The glasses are to the right of the boy.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    6
2     0   to the left of    8
3     0  to the right of   14
4     0  to the right of   16
..  ...              ...  ...
89   18   to the left of    0
90   19  to the right of   14
91   19  to the right of   17
92   19  to the right of    9
93   19  to the right of   16

[94 rows x 3 columns]