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