What is the color of the flag on the pole?
The flag is red.
    src        edge_attr  dst
0     0               on    3
1     0   to the left of   13
2     1               on    2
3     1   to the left of    5
4     1   to the left of   15
5     1   to the left of   14
6     1   to the left of    6
7     1   to the left of    4
8     2   to the left of   15
9     2   to the left of   14
10    2   to the left of    6
11    2   to the left of    4
12    2   to the left of    5
13    3   to the left of   13
14    4  to the right of    5
15    4   to the left of   15
16    4  to the right of   14
17    4  to the right of    1
18    4   to the left of    6
19    4  to the right of    2
20    4               on   10
21    5  to the right of    2
22    5   to the left of    6
23    5   to the left of   15
24    5   to the left of    4
25    5  to the right of    1
26    6  to the right of    4
27    6  to the right of    1
28    6  to the right of    2
29    6  to the right of    5
30    6  to the right of   14
31   11               on    9
32   12   to the left of   13
33   13  to the right of    3
34   13  to the right of    0
35   13  to the right of   12
36   14  to the right of    1
37   14  to the right of    2
38   14   to the left of    4
39   14   to the left of   15
40   14   to the left of    6
41   14               on    5
42   15  to the right of    4
43   15  to the right of    1
44   15  to the right of    2
45   15  to the right of   14
46   15  to the right of    5
47   15               on    6