Is the weather cloudy?
No, it is clear.
    src        edge_attr  dst
0     3               in    1
1     3   to the left of    8
2     6   to the left of    8
3     7   to the left of    9
4     7   to the left of   10
5     8  to the right of   12
6     8  to the right of    6
7     8  to the right of    3
8     9  to the right of    7
9     9  to the right of   10
10   10  to the right of    7
11   10   to the left of    9
12   12   to the left of    8