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