Is there a helmet to the left of the man on the road?
Yes, there is a helmet to the left of the man.
    src        edge_attr  dst
0     0   to the left of   19
1     0  to the right of    5
2     0  to the right of    3
3     1  to the right of    5
4     1   to the left of   19
..  ...              ...  ...
89   28  to the right of   22
90   28  to the right of   23
91   28  to the right of   20
92   28  to the right of   21
93   29   to the left of   19

[94 rows x 3 columns]