Is the helmet to the left of an umpire?
No, the helmet is to the left of a van.
     src        edge_attr  dst
0      0   to the left of    6
1      0   to the left of    4
2      1   to the left of   17
3      2  to the right of   12
4      2   to the left of   25
..   ...              ...  ...
98    25   on the side of   16
99    25  to the right of    8
100   25  to the right of    2
101   25   to the left of   19
102   25   to the left of   18

[103 rows x 3 columns]