Is the sky clear and blue?
No, the sky is blue but cloudy.
    src        edge_attr  dst
0     1   to the left of    9
1     3               of    1
2     3   to the left of    7
3     5  to the right of    8
4     5   to the left of    6
5     6  to the right of    5
6     6  to the right of    8
7     6               of    1
8     7          full of    9
9     7   to the left of    9
10    7  to the right of    3
11    8   to the left of    6
12    8   to the left of    5
13    8               of    1
14    9               in    7
15    9  to the right of    1
16    9  to the right of    7