Are there any men behind the fence?
No, the man is in front of the fence.
    src        edge_attr  dst
0     1   to the left of   16
1     2  to the right of   15
2     2  to the right of   12
3     3   to the left of   16
4     4   to the left of    8
5     5           behind   15
6     6  to the right of   14
7     6               of    7
8     8  to the right of    4
9    10               on   11
10   10  to the right of   16
11   11  to the right of   16
12   12   to the left of    2
13   12               of   15
14   13   to the left of   16
15   14   to the left of    6
16   15          wearing    0
17   15   to the left of    2
18   15      in front of    5
19   16   to the left of   10
20   16  to the right of   17
21   16  to the right of    1
22   16  to the right of   13
23   16   to the left of   11
24   16  to the right of    3
25   16               of   15
26   17   to the left of   16