What is the dog resting on?
The dog is resting on the bed.
    src        edge_attr  dst
0     1               on    0
1     1  to the right of   13
2     1       resting on    0
3     1           behind    5
4     2               on   13
5     2   to the left of    5
6     3  to the right of   13
7     3  to the right of    8
8     4  to the right of   13
9     5      in front of    1
10    5               on    0
11    5  to the right of    2
12    5  to the right of   13
13    6  to the right of   11
14    6               by    0
15    7  to the right of    9
16    8   to the left of    3
17    9     hanging from    6
18    9  to the right of   11
19    9   to the left of    7
20   10  to the right of   12
21   10  to the right of   11
22   10               on    0
23   11   to the left of    9
24   11   to the left of   10
25   11   to the left of    6
26   12   to the left of   10
27   13   to the left of    1
28   13   to the left of    5
29   13   to the left of    4
30   13   to the left of    3