Is the man to the left of a person?
No, the man is to the right of a person.
     src        edge_attr  dst
0      0   to the left of   10
1      0   to the left of    1
2      0   to the left of   15
3      1   to the left of   15
4      1   to the left of   10
..   ...              ...  ...
172   22  to the right of    5
173   22   to the left of    6
174   22   to the left of    2
175   23   to the left of    8
176   23   to the left of    3

[177 rows x 3 columns]