What is the color of the umbrella?
The umbrella is blue.
    src        edge_attr  dst
0     0   to the left of    8
1     0   to the left of    6
2     1  to the right of   11
3     1  to the right of    9
4     1   to the left of   14
5     1  to the right of   12
6     1  to the right of    5
7     1  to the right of    3
8     3   to the left of    8
9     3   to the left of    6
10    3   to the left of   10
11    3   to the left of    9
12    3   to the left of   15
13    3   to the left of    1
14    5   to the left of   15
15    5   to the left of   14
16    5   to the left of    1
17    5   to the left of    8
18    5   to the left of    6
19    6  to the right of    0
20    6  to the right of    3
21    6  to the right of    5
22    6  to the right of    7
23    6  to the right of   13
24    6               on    8
25    7   to the left of    6
26    7   to the left of    8
27    8  to the right of    3
28    8  to the right of    5
29    8  to the right of   12
30    8  to the right of   11
31    8  to the right of    9
32    8  to the right of    7
33    8  to the right of    0
34    8  to the right of   13
35    9   to the left of   14
36    9   to the left of    8
37    9  to the right of    3
38    9   to the left of    1
39   10  to the right of    3
40   11   to the left of    8
41   11   to the left of    1
42   12   to the left of    1
43   12               of    5
44   12   to the left of    8
45   13   to the left of    8
46   13   to the left of    6
47   14  to the right of    5
48   14  to the right of    9
49   14  to the right of    1
50   15  to the right of    5
51   15  to the right of    3