Is the helmet to the left or to the right of the man on the right side?
The helmet is to the left of the man.
     src        edge_attr  dst
0      0   to the left of   13
1      0   to the left of    7
2      0   to the left of    2
3      1   to the left of   15
4      1   to the left of    9
..   ...              ...  ...
103   19   to the left of    9
104   20  to the right of    8
105   20  to the right of    7
106   20   to the left of   10
107   20  to the right of    3

[108 rows x 3 columns]