What kind of furniture is silver?
The furniture is a couch.
    src        edge_attr  dst
0     0   to the left of   16
1     0  to the right of   11
2     0   to the left of   15
3     1  to the right of    8
4     1   to the left of    2
5     2  to the right of    1
6     3  to the right of   13
7     3  to the right of    5
8     4   to the left of   17
9     4   to the left of   15
10    4   to the left of    7
11    4  to the right of    5
12    5   to the left of    4
13    5   to the left of    3
14    6   to the left of    8
15    6   to the left of   19
16    6   to the left of   10
17    7               on    3
18    7  to the right of    4
19    7  to the right of   13
20    8   to the left of    1
21    8   to the left of   16
22    8  to the right of   19
23    8  to the right of    6
24    8  to the right of   12
25    8  to the right of   11
26    8  to the right of   10
27   10  to the right of    6
28   10   to the left of    8
29   10  to the right of   12
30   10   to the left of   16
31   11   to the left of    0
32   11   to the left of   17
33   11   to the left of   16
34   11   to the left of   15
35   11   to the left of    8
36   12               on   11
37   12   to the left of    8
38   12   to the left of   10
39   13   to the left of    7
40   13   to the left of    3
41   15  to the right of   11
42   15  to the right of    4
43   15  to the right of    0
44   16  to the right of    0
45   16  to the right of    8
46   16  to the right of   11
47   16  to the right of   10
48   17  to the right of    4
49   17  to the right of   11
50   19  to the right of    6
51   19   to the left of    8