What is the piece of furniture to the left of the comforter?
The piece of furniture is a couch.
    src        edge_attr  dst
0     0  to the right of    8
1     1      in front of    6
2     1  to the right of   15
3     1  to the right of   11
4     1  to the right of    7
5     1  to the right of   10
6     1  to the right of    2
7     2               on   15
8     2   to the left of    1
9     3               on   14
10    3               on   16
11    3  to the right of   16
12    4   to the left of   11
13    4   to the left of   15
14    5               on    1
15    5  to the right of   11
16    5  to the right of    7
17    5  to the right of   15
18    6  to the right of   15
19    6  to the right of   10
20    6           behind    1
21    6  to the right of    7
22    7   to the left of    5
23    7   to the left of    1
24    7   to the left of    9
25    7   to the left of    6
26    8   to the left of    0
27    8   to the left of   11
28    9  to the right of    7
29   10   to the left of    1
30   10   to the left of    6
31   11  to the right of    8
32   11  to the right of    4
33   11   to the left of    1
34   11   to the left of    5
35   13               on   12
36   13               on   16
37   14  to the right of   16
38   15   to the left of    6
39   15   to the left of    5
40   15  to the right of    4
41   15   to the left of    1
42   16   to the left of   14
43   16   to the left of    3