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