Is the stop sign that looks white large or small?
The stop sign is small.
    src        edge_attr  dst
0     0   to the left of    2
1     0   to the left of    1
2     0           behind    1
3     0   to the left of    3
4     1      in front of    0
5     1  to the right of    4
6     1               by    0
7     1  to the right of    0
8     2  to the right of    0
9     3  to the right of    0
10    4               on    0
11    4   to the left of    1