What kind of sign is pictured?
The sign is a stop sign.
    src        edge_attr  dst
0     0  to the right of    2
1     0               on    6
2     0   to the left of    8
3     0  to the right of   10
4     1               on    6
5     1   to the left of    6
6     1   on the back of    6
7     2   to the left of    0
8     2               on    6
9     2   to the left of    8
10    2   to the left of   10
11    3         covering   13
12    3           behind    6
13    5           behind    6
14    6      in front of    6
15    6           behind    6
16    6      in front of    5
17    6  to the right of    1
18    6               on    4
19    6      in front of    3
20    6       mounted on    4
21    6  to the right of   14
22    7   to the left of   11
23    8               on    6
24    8  to the right of   10
25    8  to the right of    0
26    8  to the right of    2
27    9               on    6
28   10   to the left of    0
29   10               on    6
30   10  to the right of    2
31   10   to the left of    8
32   11  to the right of    7
33   13       covered by    3
34   14   to the left of    6
35   15               in   12