What animal is lying on the ground?
The animal is a cow.
    src        edge_attr  dst
0     0  to the right of    7
1     2         lying on    4
2     2   to the left of    7
3     2  to the right of    9
4     2  to the right of    3
5     2  to the right of    5
6     3   to the left of   12
7     3   to the left of    2
8     5   to the left of    2
9     6  to the right of   10
10    7   to the left of    0
11    7  to the right of    2
12    7  to the right of   12
13    9   to the left of    2
14   10   to the left of    6
15   12   to the left of    7
16   12  to the right of    3