Is the red helmet to the right or to the left of the man?
The helmet is to the right of the man.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    1
2     0   to the left of    3
3     0  to the right of    5
4     1  to the right of    0
..  ...              ...  ...
58   16  to the right of   15
59   17  to the right of   14
60   17  to the right of    6
61   17  to the right of    4
62   17  to the right of    9

[63 rows x 3 columns]