What kind of clothing is not black, the jacket or the hat?
The hat is not black.
   src        edge_attr  dst
0    1  to the right of    7
1    3  to the right of    7
2    4               in    7
3    4  to the right of    7
4    6  to the right of    7
5    7   to the left of    1
6    7   to the left of    6
7    7   to the left of    3
8    7   to the left of    4