Who wears a hat?
The man wears a hat.
   src        edge_attr  dst
0    0          wearing    2
1    0           riding    4
2    0             with    5
3    0  to the right of    4
4    1  to the right of    4
5    3  to the right of    4
6    4   to the left of    0
7    4   to the left of    3
8    4   to the left of    1