Is the blue sky clear or cloudy?
The sky is clear.
    src        edge_attr  dst
0     0  to the right of    3
1     1   to the left of    3
2     1   to the left of    2
3     2  to the right of    1
4     2   to the left of    6
5     2   to the left of    3
6     3   to the left of    0
7     3  to the right of    7
8     3   to the left of    6
9     3  to the right of    2
10    3   to the left of   10
11    3  to the right of    1
12    4             near    5
13    4             near   10
14    4             near   11
15    4   to the left of    5
16    4             near    8
17    5  to the right of   10
18    5             near    4
19    5  to the right of    4
20    5  to the right of   11
21    6  to the right of    3
22    6  to the right of    2
23    6   to the left of   11
24    6   to the left of   10
25    7   to the left of    3
26    8  to the right of   11
27    8  to the right of   10
28    8               on    4
29    8             near    4
30   10             near    4
31   10   to the left of    8
32   10  to the right of    3
33   10   to the left of   11
34   10  to the right of    6
35   10   to the left of    5
36   11             near    4
37   11   to the left of    5
38   11   to the left of    8
39   11  to the right of   10
40   11  to the right of    6