What is the large animal sitting on?
The dog is sitting on the walkway.
    src        edge_attr  dst
0     0   to the left of   10
1     0  to the right of    2
2     1             near    2
3     1          wearing    0
4     1          next to    2
5     1        on top of    5
6     1   to the left of    6
7     1       sitting on    5
8     2             near    1
9     2   to the left of    0
10    3          next to    5
11    3             near    5
12    5             near    3
13    6   to the left of   10
14    6  to the right of    1
15    7        on top of    3
16    8   to the left of   10
17   10  to the right of    8
18   10  to the right of    6
19   10  to the right of    0