Is the color of the shoe brown?
Yes, the shoe is brown.
   src        edge_attr  dst
0    3               on    0
1    4           riding    7
2    4          wearing    1
3    4  to the right of    6
4    4          wearing    5
5    6   to the left of    4
6    6   to the left of    8
7    7       running on    0
8    8  to the right of    6