Which kind of animal is on the grass?
The animal is an elephant.
    src        edge_attr  dst
0     0               of    1
1     0   to the left of   10
2     0   to the left of    7
3     1               on    8
4     1               by    7
5     1      in front of    3
6     1   to the left of    6
7     1  to the right of    3
8     2   to the left of    6
9     2               of    1
10    2  to the right of   12
11    3           behind    1
12    3   to the left of    7
13    3   to the left of   12
14    3   to the left of    1
15    5  to the right of   10
16    5   to the left of    6
17    5               of    1
18    6  to the right of    9
19    6  to the right of    2
20    6               of    7
21    6  to the right of    1
22    6  to the right of    5
23    7               on    8
24    7  to the right of    0
25    7  to the right of    3
26    9   to the left of    6
27    9  to the right of   12
28   10               of    1
29   10  to the right of    0
30   10   to the left of    5
31   11               of    1
32   12   to the left of    2
33   12  to the right of    3
34   12   to the left of    9
35   12               of    1