What animal is the person riding?
The person is riding an elephant.
    src        edge_attr  dst
0     0        on top of    5
1     0           riding    5
2     0  to the right of    7
3     2  to the right of    7
4     3  to the right of    7
5     4   to the left of    6
6     4   to the left of    8
7     5  to the right of    7
8     6  to the right of    4
9     6  to the right of    7
10    7   to the left of    2
11    7   to the left of    6
12    7   to the left of    5
13    7   to the left of    3
14    7   to the left of    8
15    7   to the left of    0
16    8  to the right of    7
17    8  to the right of    4