How is the piece of furniture behind the animal that is smelling the donut called?
The piece of furniture is a couch.
    src        edge_attr  dst
0     0  to the right of    8
1     0   to the left of    1
2     1               on    3
3     1               of    3
4     1            above    3
5     1  to the right of    0
6     2   to the left of    9
7     5   to the left of   10
8     6         sniffing    1
9     6         smelling    1
10    6      in front of    9
11    7  to the right of    8
12    7  to the right of   14
13    8   to the left of    0
14    8   to the left of    7
15    8               of    6
16    9  to the right of   12
17    9  to the right of    2
18    9           behind    6
19    9  to the right of   13
20   10  to the right of    5
21   11               of    3
22   12   to the left of    9
23   13   to the left of    9
24   14   to the left of    7