Is the color of the sign the same as that of the rug?
Yes, both the sign and the rug are red.
   src        edge_attr  dst
0    0   to the left of    5
1    1   to the left of    4
2    2   to the left of    4
3    2  to the right of    3
4    3   to the left of    2
5    4  to the right of    1
6    4  to the right of    2
7    5               on    1
8    5  to the right of    0
9    5           riding    1