Which color are the trees that are not short?
The trees are green.
    src        edge_attr  dst
0     0           beside    7
1     0   to the left of   14
2     1  to the right of    7
3     1   to the left of    5
4     1  to the right of    8
5     1  to the right of    6
6     3  to the right of    9
7     4  to the right of    8
8     5  to the right of    1
9     5  to the right of    7
10    5  to the right of    6
11    5  to the right of    8
12    6   to the left of    1
13    6   to the left of    5
14    7   to the left of    1
15    7   to the left of    5
16    8  to the right of    9
17    8   to the left of    5
18    8   to the left of    4
19    8   to the left of    1
20    9   to the left of    3
21    9   to the left of    8
22   14  to the right of    0
23   14               on   12