Are the leaves on the tree red or green?
The leaves are red.
    src        edge_attr  dst
0     1  to the right of    8
1     1   to the left of    7
2     1   to the left of   19
3     1   to the left of   16
4     1   to the left of   21
5     1   to the left of   20
6     1   to the left of    6
7     1  to the right of    5
8     2   to the left of   12
9     2   to the left of   14
10    2   to the left of    8
11    2   to the left of    5
12    2   to the left of   11
13    2   to the left of   10
14    3               on    2
15    3   to the left of    5
16    5   to the left of    8
17    5  to the right of    3
18    5  to the right of    2
19    5   to the left of    1
20    6  to the right of   21
21    6  to the right of    1
22    7  to the right of   21
23    7  to the right of    1
24    7  to the right of   20
25    8  to the right of    2
26    8  to the right of    5
27    8   to the left of   18
28    8   to the left of    1
29    8  to the right of   10
30   10   to the left of    8
31   10  to the right of    2
32   11  to the right of   12
33   11  to the right of   14
34   11  to the right of    2
35   12  to the right of    2
36   12   to the left of   11
37   12  to the right of   14
38   14  to the right of    2
39   14   to the left of   11
40   14   to the left of   12
41   15  to the right of   17
42   16  to the right of   18
43   16  to the right of    1
44   17   to the left of   15
45   18  to the right of    8
46   18   to the left of   16
47   19  to the right of    1
48   19  to the right of   21
49   20  to the right of    1
50   20   to the left of    7
51   21   to the left of   19
52   21   to the left of    7
53   21  to the right of    1
54   21   to the left of    6