What animal is walking in the green field?
The elephant is walking in the field.
    src        edge_attr  dst
0     0  to the right of   10
1     0   to the left of    3
2     0   to the left of    7
3     0   to the left of    6
4     1  to the right of   13
5     1  to the right of    7
6     1   to the left of    2
7     1  to the right of    8
8     1  to the right of    6
9     2  to the right of    3
10    2  to the right of    6
11    2  to the right of    8
12    2  to the right of    1
13    2  to the right of    7
14    2  to the right of   13
15    3  to the right of    7
16    3   to the left of    2
17    3  to the right of    0
18    3  to the right of    8
19    6   to the left of    1
20    6   to the left of    2
21    6  to the right of    0
22    6  to the right of    8
23    6  to the right of    7
24    7   to the left of    2
25    7   to the left of    3
26    7   to the left of    1
27    7  to the right of   10
28    7  to the right of    0
29    7   to the left of    6
30    8   to the left of    1
31    8   to the left of    6
32    8   to the left of    2
33    8   to the left of    3
34   10   to the left of    0
35   10   to the left of    7
36   12               of   13
37   13       walking in   11
38   13   to the left of    1
39   13   to the left of    2