Is the fence made of the same material as the pole?
Yes, both the fence and the pole are made of wood.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    2
2     0   to the left of   12
3     1  to the right of    2
4     2   to the left of    1
5     2  to the right of    0
6     2  to the right of    8
7     2   to the left of   10
8     2   to the left of   12
9     2  to the right of   11
10    4  to the right of   14
11    7   to the left of   14
12    7  to the right of    0
13    8               in    6
14    8   to the left of   12
15    8   to the left of    2
16    9   to the left of   12
17   10  to the right of   12
18   10  to the right of    2
19   11   to the left of    2
20   12  to the right of    0
21   12  to the right of    2
22   12   to the left of   10
23   12  to the right of    8
24   12  to the right of    9
25   12   to the left of   15
26   14  to the right of    7
27   14       walking in   13
28   14   to the left of    4
29   15  to the right of   12