What color is the sail?
The sail is blue.
    src        edge_attr  dst
0     1          wearing    9
1     1          wearing   11
2     1   to the left of    3
3     1  to the right of    2
4     2   to the left of   11
5     2   to the left of    1
6     3   to the left of    8
7     3  to the right of    1
8     3  to the right of    5
9     3  to the right of    9
10    3  to the right of   12
11    3  to the right of   11
12    5   to the left of    3
13    8  to the right of    3
14    9   to the left of    3
15   11  to the right of    2
16   11   to the left of    3
17   12   to the left of    3