Is there an airplane that is not red?
No, there is an airplane but it is red.
    src        edge_attr  dst
0     0  to the right of    5
1     0             near    6
2     3  to the right of   11
3     3  to the right of    4
4     4   to the left of    3
5     5             near    6
6     5   to the left of    0
7     6             near    9
8     6  to the right of    7
9     6             near    0
10    6             near    5
11    7   to the left of    6
12    9             near    6
13   10               on    6
14   11   to the left of    3
15   11   on the side of    6