What color is the sky?
The sky is white.
    src        edge_attr  dst
0     2  to the right of    7
1     2  to the right of   11
2     2  to the right of   10
3     2  to the right of    3
4     2  to the right of   14
5     2  to the right of   12
6     3   to the left of    2
7     3   to the left of   12
8     3   to the left of    8
9     5   to the left of    6
10    5   to the left of   13
11    6  to the right of    5
12    7   to the left of    8
13    7   to the left of    2
14    7               of    0
15    8  to the right of    3
16    8  to the right of    7
17   10          holding   11
18   10   to the left of    2
19   10  to the right of   13
20   11  to the right of   13
21   11   to the left of    2
22   12  to the right of    3
23   12   to the left of    2
24   13  to the right of    5
25   13   to the left of   11
26   13   to the left of   10
27   14   to the left of    2