Is the sign the same color as the helmet?
Yes, both the sign and the helmet are white.
   src        edge_attr  dst
0    0   to the left of    4
1    0   to the left of    3
2    1   to the left of    7
3    3  to the right of    0
4    4  to the right of    0
5    4               of    3
6    7          wearing    2
7    7  to the right of    1