What piece of furniture is behind the cat?
The piece of furniture is a couch.
    src        edge_attr  dst
0     0  to the right of    5
1     0   to the left of    1
2     1  to the right of   11
3     1  to the right of    5
4     1  to the right of    0
5     4   to the left of   11
6     4        on top of   10
7     4   to the left of    9
8     5   to the left of    0
9     5  to the right of    9
10    5   to the left of    1
11    7   to the left of   11
12    7   to the left of    9
13    9  to the right of    4
14    9   to the left of    5
15    9  to the right of    7
16    9   to the left of   11
17   10           behind   11
18   11  to the right of    9
19   11           inside    2
20   11      in front of   10
21   11   to the left of    1
22   11  to the right of    4
23   11  to the right of    7