Which color is the hat?
The hat is white.
    src        edge_attr  dst
0     1   to the left of    8
1     2   to the left of    4
2     3   to the left of    8
3     3   to the left of   10
4     4  to the right of    2
5     4  to the right of    5
6     5   to the left of    4
7     7   to the left of   11
8     8  to the right of    3
9     8  to the right of    1
10   10  to the right of    3
11   11  to the right of    7
12   13          holding   10
13   13          wearing   12