Is it cloudy?
Yes, it is cloudy.
    src        edge_attr  dst
0     1  to the right of    4
1     1  to the right of    2
2     1               of    6
3     2               of    6
4     2  to the right of    7
5     2   to the left of    1
6     2  to the right of    5
7     2   to the left of    4
8     3               of    6
9     4  to the right of    7
10    4   to the left of    1
11    4  to the right of    2
12    5   to the left of    2
13    5               of    6
14    6        flying in    0
15    7   to the left of    2
16    7   to the left of    4