What color are the trees that are not short?
The trees are brown.
    src        edge_attr  dst
0     0             near    5
1     0  to the right of    1
2     1             near    5
3     1               by    5
4     1               by    0
5     1   to the left of    8
6     1      in front of    5
7     1   to the left of    0
8     1   to the left of    4
9     1  to the right of    3
10    3   to the left of    1
11    3   to the left of    9
12    3   to the left of    6
13    3               by    5
14    3   to the left of   10
15    4  to the right of    1
16    5               by   10
17    5             near    1
18    5           behind    1
19    5             near    0
20    6  to the right of    3
21    7               by   10
22    7             near   10
23    8  to the right of    1
24    8  to the right of    9
25    9  to the right of    3
26    9   to the left of    8
27   10             near    7
28   10  to the right of    3