What is the animal that is on top of the green grass?
The animal is a lamb.
    src        edge_attr  dst
0     0        on top of   11
1     0   to the left of    4
2     1   to the left of   10
3     1  to the right of    8
4     1  to the right of    4
5     1  to the right of    7
6     1   to the left of    5
7     2               in    8
8     2  to the right of    9
9     2  to the right of    4
10    2   to the left of   10
11    4        on top of   11
12    4   to the left of    2
13    4   to the left of    1
14    4   to the left of    9
15    4  to the right of    6
16    4  to the right of    0
17    5        on top of   11
18    5  to the right of   10
19    5  to the right of    1
20    6        on top of    5
21    6   to the left of    4
22    7   to the left of    8
23    7   to the left of    1
24    7        on top of    5
25    8   to the left of    1
26    8  to the right of    7
27    8        on top of    5
28    8   to the left of    9
29    9   to the left of    2
30    9  to the right of    4
31    9  to the right of    8
32    9        on top of    5
33    9   to the left of   10
34   10   to the left of    5
35   10  to the right of    9
36   10  to the right of    1
37   10  to the right of    2