Who is in front of the man?
The girl is in front of the man.
    src        edge_attr  dst
0     0   to the left of   12
1     0  to the right of    5
2     0   to the left of    1
3     1  to the right of    0
4     1   to the left of   12
..  ...              ...  ...
67   17   to the left of    7
68   17   to the left of   10
69   17   to the left of   16
70   17   to the left of    4
71   18  to the right of   17

[72 rows x 3 columns]