Which color is the hat made of straw?
The hat is white.
    src        edge_attr  dst
0     0   to the left of   11
1     0  to the right of    1
2     1   to the left of    4
3     1   to the left of    0
4     1  to the right of    8
5     2  to the right of    8
6     2   to the left of    6
7     3  to the right of    8
8     4  to the right of    1
9     4        parked on    3
10    6  to the right of   10
11    6  to the right of    2
12    6  to the right of    7
13    7   to the left of    6
14    8   to the left of   10
15    8   to the left of    1
16    8   to the left of    9
17    8   to the left of    3
18    8   to the left of    2
19    9  to the right of    8
20   10  to the right of    8
21   10   to the left of    6
22   11  to the right of    0