Do the brown trees look leafless?
Yes, the trees are leafless.
    src        edge_attr  dst
0     1               on   14
1     1  to the right of    6
2     2  to the right of    6
3     2   to the left of   17
4     6   to the left of    2
5     6   to the left of   14
6     6   to the left of    7
7     6   to the left of    1
8     7   to the left of   16
9     7   to the left of   11
10    7  to the right of    6
11    7   to the left of    8
12    8  to the right of    7
13   10      standing in   12
14   10      standing on   12
15   10   to the left of   12
16   11  to the right of   16
17   11  to the right of    7
18   12  to the right of   10
19   14  to the right of    6
20   15               on    3
21   15         carrying   11
22   16   to the left of   11
23   16  to the right of    7
24   17  to the right of    2