What is on the pole?
The lamp is on the pole.
    src        edge_attr  dst
0     0  to the right of    8
1     1               of    4
2     1  to the right of   10
3     1  to the right of   12
4     1  to the right of    3
5     1  to the right of   11
6     1  to the right of    9
7     1  to the right of    2
8     2   to the left of    1
9     2   to the left of    4
10    3   to the left of    1
11    3   to the left of    4
12    3               on   10
13    3   to the left of    7
14    4  to the right of    3
15    4  to the right of    9
16    4  to the right of   13
17    4  to the right of    2
18    4  to the right of   12
19    4  to the right of   11
20    5   to the left of    7
21    5  to the right of    9
22    7  to the right of    5
23    7  to the right of    3
24    7  to the right of   13
25    7  to the right of    9
26    8   to the left of    0
27    9   to the left of    1
28    9   to the left of    7
29    9   to the left of    4
30    9   to the left of    5
31   10   to the left of    1
32   11   to the left of    1
33   11   to the left of    4
34   12   to the left of    1
35   12   to the left of    4
36   13   to the left of    7
37   13   to the left of    4