Which color is the sky, blue or white?
The sky is blue.
    src        edge_attr  dst
0     1  to the right of    5
1     1               of   15
2     1   to the left of    8
3     4   to the left of   17
4     4   to the left of   10
5     4   to the left of   15
6     5   to the left of   14
7     5   to the left of    1
8     5   to the left of    9
9     5   to the left of   11
10    5   to the left of   18
11    6   to the left of   18
12    7   to the left of   15
13    7   to the left of   17
14    8  to the right of   15
15    8  to the right of    1
16    9  to the right of    5
17   10  to the right of    4
18   11               of   15
19   11  to the right of    5
20   12   to the left of   16
21   12  to the right of   15
22   14  to the right of    5
23   15  to the right of    4
24   15   to the left of   12
25   15  to the right of    7
26   15   to the left of    8
27   15        on top of    7
28   15      in front of   18
29   16  to the right of   12
30   17  to the right of    7
31   17               of   15
32   17  to the right of    4
33   18           behind   15
34   18  to the right of    6
35   18  to the right of    5