What is the dog lying on?
The dog is lying on the couch.
    src        edge_attr  dst
0     0  to the right of    4
1     1  to the right of   11
2     1   to the left of    7
3     2   to the left of    5
4     3   to the left of    7
5     4   to the left of   10
6     4   to the left of    0
7     4   to the left of    7
8     4   to the left of    5
9     5  to the right of    4
10    5  to the right of    2
11    5  to the right of    9
12    5             near    6
13    6          next to    5
14    7  to the right of   11
15    7  to the right of    4
16    7  to the right of    1
17    7  to the right of    3
18    9   to the left of    5
19    9        on top of    4
20   10  to the right of    4
21   11   to the left of    1
22   11   to the left of    7
23   12         lying on    4
24   12       sitting on    4