What is the man in front of?
The man is in front of the wire.
    src        edge_attr  dst
0     2  to the right of   19
1     2  to the right of    9
2     2  to the right of   21
3     5   to the left of   11
4     5  to the right of   20
5     6      in front of   20
6     7  to the right of   16
7     9   to the left of    2
8    11  to the right of    5
9    11  to the right of   20
10   12  to the right of   20
11   13  to the right of   18
12   16   to the left of    7
13   18   to the left of   13
14   19  to the right of   21
15   19   to the left of    2
16   20           behind    6
17   20   to the left of   12
18   20   to the left of    5
19   20   to the left of   11
20   21   to the left of   19
21   21   to the left of    2