The man is in front of what?
The man is in front of the trees.
    src        edge_attr  dst
0     0               of   20
1     1               of    3
2     1  to the right of   20
3     1  to the right of    7
4     1  to the right of   12
..  ...              ...  ...
59   20      in front of    6
60   20          wearing    9
61   20   to the left of    3
62   20          wearing    5
63   20  to the right of    6

[64 rows x 3 columns]