What color is the sky?
The sky is blue.
    src        edge_attr  dst
0     1               by    3
1     1   to the left of   11
2     2               of    3
3     2   to the left of    5
4     2   to the left of   12
5     4  to the right of    8
6     5   to the left of    9
7     5  to the right of    2
8     5  to the right of    6
9     6               of    3
10    6   to the left of   12
11    6   to the left of    5
12    7  to the right of    8
13    8   to the left of    4
14    8   to the left of    7
15    9  to the right of    5
16    9  to the right of   12
17    9               in    3
18   10   to the left of   11
19   11  to the right of    1
20   11  to the right of   10
21   12               in    3
22   12  to the right of    6
23   12  to the right of    2
24   12   to the left of    9