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