Is there an airplane in the blue sky?
Yes, there is an airplane in the sky.
    src         edge_attr  dst
0     1   to the right of    4
1     1   to the right of    3
2     2   to the right of    4
3     2   to the right of    3
4     3                in    6
5     3    to the left of    2
6     3            flying    6
7     3   to the right of    4
8     3    to the left of    1
9     4    to the left of    7
10    4    to the left of    1
11    4    to the left of    3
12    4    to the left of    2
13    4       in front of    6
14    6                in    5
15    6             above    8
16    6         flying in    5
17    7   to the right of    4
18    7                of    6
19    7    on the side of    6
20    8  on the bottom of    6