What piece of furniture is the rug in front of?
The rug is in front of the couch.
    src        edge_attr  dst
0     0       mounted on    3
1     0               on    3
2     1   to the left of    2
3     2      in front of    9
4     2               on   11
5     2            above   11
6     2   to the left of   17
7     2   to the left of   16
8     2  to the right of    1
9     4               on    5
10    5  to the right of    8
11    5  to the right of   10
12    5  to the right of   14
13    5  to the right of   13
14    5  to the right of    6
15    6   to the left of   14
16    6   to the left of    5
17    6   to the left of   18
18    6  to the right of    7
19    7   to the left of    8
20    7   to the left of   13
21    7   to the left of   14
22    7   to the left of   10
23    7   to the left of    6
24    8   to the left of    5
25    8  to the right of   10
26    8          next to   13
27    8  to the right of    7
28    8   to the left of    9
29    9             near   15
30    9           behind    2
31    9   to the left of   15
32    9  to the right of   13
33    9  to the right of    8
34    9  to the right of   10
35   10   to the left of    5
36   10               by    6
37   10   to the left of   13
38   10   to the left of    9
39   10   to the left of    8
40   10  to the right of    7
41   13   to the left of    5
42   13  to the right of   10
43   13             near    8
44   13  to the right of    7
45   13   to the left of    9
46   14               on   13
47   14   to the left of   18
48   14  to the right of    6
49   14  to the right of    7
50   14   to the left of    5
51   15       sitting on   16
52   15          next to    9
53   15  to the right of    9
54   16  to the right of    2
55   17  to the right of    2
56   18  to the right of   14
57   18  to the right of    6