Who is wearing a hat?
The people are wearing a hat.
    src        edge_attr  dst
0     0             near    2
1     1          wearing   10
2     1   to the left of    5
3     1               on    9
4     1               on    8
5     1               on    6
6     1           flying    2
7     1          wearing   11
8     1   to the left of    9
9     2             near    0
10    5  to the right of    1
11    5  to the right of    8
12    7   to the left of    9
13    8   to the left of    5
14    9  to the right of    1
15    9  to the right of    7
16    9  to the right of   12
17   12   to the left of    9