How clean is the uniform the boy is wearing?
The uniform is stained.
   src        edge_attr  dst
0    0   to the left of    5
1    0   to the left of    4
2    4  to the right of    5
3    4  to the right of    0
4    5   to the left of    4
5    5  to the right of    0
6    7          wearing    3
7    7          wearing    6
8    7          wearing    4
9    7          holding    5