What color is the flag that is hanging on the pole?
The flag is blue.
    src        edge_attr  dst
0     0   to the left of    4
1     0   to the left of    5
2     3  to the right of   10
3     3  to the right of   15
4     4  to the right of   11
5     4   to the left of    5
6     4  to the right of    0
7     4  to the right of    6
8     5  to the right of    6
9     5  to the right of   14
10    5  to the right of    0
11    5  to the right of   11
12    5  to the right of    4
13    5  to the right of   16
14    6   to the left of    5
15    6   to the left of   14
16    6               of   17
17    6   to the left of    4
18    7   to the left of   10
19    7   to the left of    8
20    8  to the right of    7
21    8               of   10
22    9  to the right of   15
23    9  to the right of   10
24   10   to the left of   12
25   10   to the left of    3
26   10  to the right of    7
27   10   to the left of    9
28   11               by   13
29   11   to the left of    5
30   11   to the left of    4
31   12          wearing    3
32   12  to the right of   10
33   13         watching   10
34   14       hanging on    4
35   14  to the right of    6
36   14   to the left of    5
37   15   to the left of    9
38   15  to the right of   16
39   15               of   10
40   15   to the left of    3
41   16               in   13
42   16   to the left of    5
43   16   to the left of   15