Are the trees green and short?
No, the trees are green but tall.
    src             edge_attr  dst
0     0                 below    7
1     0        to the left of    5
2     0                  near   10
3     0               next to   10
4     1                    in   10
5     1       to the right of    4
6     1                    on   10
7     2                    on   10
8     2                    in   10
9     3                    in   10
10    3        to the left of   12
11    4        to the left of    1
12    4                    in   10
13    4                    on   10
14    5                  near   10
15    5               next to   10
16    5       to the right of    0
17    5        to the left of    6
18    5       to the right of    7
19    5        to the left of    9
20    5       to the right of    8
21    6       to the right of    5
22    7               next to    9
23    7                beside   10
24    7                  near   10
25    7                  near    9
26    7                 above   10
27    7        to the left of   11
28    7        to the left of    9
29    7        to the left of    5
30    8        to the left of    9
31    8        to the left of    5
32    8        to the left of   11
33    9                behind   10
34    9  on the other side of    0
35    9                  near    7
36    9       to the right of    5
37    9       to the right of    7
38    9       to the right of    8
39    9        on the side of   10
40   10           in front of    9
41   10                  near    5
42   10                  near    7
43   10                  near    0
44   11       to the right of    7
45   11       to the right of    8
46   11                    on    9
47   12                    on   10
48   12       to the right of    3
49   13                    on   10
50   13                    in   10