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