What is the color of the stop sign below the street sign?
The stop sign is white.
    src        edge_attr  dst
0     1            below    8
1     1  to the right of    2
2     1  to the right of    3
3     1            below   10
4     2   wrapped around    3
5     2   to the left of    1
6     3   to the left of    1
7     3   to the left of    9
8     4  to the right of    5
9     4  to the right of   14
10    5  to the right of   14
11    5   to the left of    7
12    5   to the left of    4
13    5   to the left of   13
14    5   to the left of    8
15    5  to the right of   11
16    6   to the left of   14
17    7        on top of    8
18    7  to the right of    5
19    7  to the right of   11
20    8  to the right of    5
21    8  to the right of   11
22    9  to the right of    3
23    9   to the left of   12
24   11   to the left of    8
25   11   to the left of    7
26   11   to the left of    5
27   12               on    1
28   12  to the right of    9
29   13  to the right of    5
30   14               of   10
31   14   to the left of    4
32   14  to the right of    6
33   14   to the left of    5