Is the sign behind or in front of the fence?
The sign is in front of the fence.
    src        edge_attr  dst
0     0  to the right of   14
1     3  to the right of   14
2     3           behind   11
3     5               on   10
4     5        parked on   10
5     6  to the right of   14
6     8  to the right of   14
7    11      in front of    3
8    11  to the right of   14
9    12               of   11
10   12  to the right of   14
11   14   to the left of   12
12   14   to the left of    0
13   14   to the left of   11
14   14   to the left of    8
15   14   to the left of    6
16   14   to the left of    3