Do you think the trees are brown or green?
The trees are brown.
    src        edge_attr  dst
0     0  to the right of    3
1     0   to the left of    4
2     0   to the left of    5
3     1        flying in   12
4     2               in   12
5     3   to the left of    0
6     3   to the left of    9
7     3       sitting on    6
8     4           flying   18
9     4          wearing   10
10    4  to the right of    9
11    4  to the right of    0
12    4  to the right of   16
13    4          wearing    5
14    5  to the right of    9
15    5  to the right of    0
16    9           flying   18
17    9   to the left of   10
18    9  to the right of    3
19    9          wearing   16
20    9   to the left of    5
21    9   to the left of    4
22   10  to the right of    9
23   10  to the right of   16
24   13               in   12
25   14      standing by   17
26   14  to the right of   17
27   15               in   12
28   16   to the left of   10
29   16   to the left of    4
30   17   to the left of   14
31   17               on   11
32   18               in   12