What animal is riding on a skateboard?
The dog is riding on a skateboard.
    src        edge_attr  dst
0     1  to the right of   15
1     1  to the right of    5
2     1  to the right of   11
3     1  to the right of   18
4     1   to the left of   14
5     1   to the left of   16
6     1  to the right of   17
7     1  to the right of    9
8     2             near   10
9     3        riding on    6
10    3               on    6
11    3            above    6
12    3  to the right of   12
13    5   to the left of    1
14    5  to the right of    9
15    5   to the left of    7
16    7  to the right of   15
17    7  to the right of    9
18    7  to the right of   17
19    7   to the left of   16
20    7  to the right of   11
21    7  to the right of    5
22    7   to the left of   14
23    7  to the right of   18
24    8               in   10
25    8  to the right of   14
26    8  to the right of   16
27    9               in   10
28    9   to the left of    1
29    9   to the left of    7
30    9   to the left of    5
31    9   to the left of   15
32    9               on   10
33   10             near    2
34   11   to the left of   15
35   11   to the left of    1
36   11   to the left of    7
37   12   to the left of    3
38   14  to the right of    7
39   14   to the left of    8
40   14  to the right of    1
41   15   to the left of    7
42   15  to the right of    9
43   15  to the right of   17
44   15  to the right of   18
45   15  to the right of   11
46   15   to the left of    1
47   16  to the right of    1
48   16  to the right of    7
49   16   to the left of    8
50   17   to the left of    7
51   17   to the left of   15
52   17   to the left of    1
53   18   to the left of   15
54   18   to the left of    7
55   18   to the left of    1