How tall are the green trees?
The palms are tall.
    src        edge_attr  dst
0     0  to the right of    9
1     0   to the left of   10
2     0   to the left of    7
3     1  to the right of   11
4     2   to the left of    5
5     2  to the right of    8
6     3            below    6
7     3            under    6
8     3  to the right of    8
9     3  to the right of    4
10    3   to the left of    5
11    3   to the left of    7
12    3  to the right of    9
13    3   to the left of   10
14    3      in front of    9
15    3  to the right of   11
16    4   to the left of    3
17    5  to the right of    3
18    5  to the right of    2
19    5  to the right of    8
20    6            above    3
21    6     hanging over    3
22    7               in   11
23    7  to the right of    3
24    7  to the right of    0
25    8   to the left of    2
26    8           behind    3
27    8   to the left of    5
28    8   to the left of    3
29    9               on    4
30    9   to the left of    3
31    9   to the left of    0
32    9           behind    3
33   10  to the right of    0
34   10  to the right of    3
35   10               in    9
36   11   to the left of    1
37   11   to the left of    3