The tshirt is of what color?
The tshirt is gray.
   src        edge_attr  dst
0    3               of    4
1    3   to the left of    9
2    4        riding on    1
3    4   to the left of    9
4    7   to the left of    8
5    8  to the right of    7
6    9  to the right of    4
7    9  to the right of    3
8    9               in   10