What is the color of the sky?
The sky is white.
    src        edge_attr  dst
0     0   to the left of   12
1     0   to the left of    1
2     0  to the right of   11
3     0   to the left of    6
4     1   to the left of   10
5     1  to the right of    0
6     1  to the right of   12
7     2            under    5
8     2            below    5
9     3  to the right of    5
10    3  to the right of   15
11    3               on   13
12    5               in    4
13    5   to the left of    3
14    5      in front of    8
15    5   to the left of   13
16    5            above    2
17    6  to the right of    0
18    6  to the right of   12
19    7   to the left of   13
20    7               on    5
21    8  to the right of   11
22    8           behind    5
23    9  to the right of   12
24   10  to the right of    1
25   10  to the right of   12
26   11   to the left of    8
27   11   to the left of    0
28   11   to the left of   12
29   12  to the right of    0
30   12   to the left of    6
31   12   to the left of    1
32   12   to the left of    9
33   12  to the right of   11
34   12   to the left of   10
35   13  to the right of   14
36   13  to the right of   15
37   13  to the right of    7
38   13  to the right of    5
39   14               on    5
40   14   to the left of   13
41   15   to the left of    3
42   15   to the left of   13