What is the piece of furniture that the vase of the plants is sitting on?
The piece of furniture is a table.
    src        edge_attr  dst
0     0   to the left of    5
1     0  to the right of    1
2     1   to the left of    4
3     1       sitting at    2
4     1       underneath    2
5     1            below    2
6     1   to the left of    0
7     2            above    7
8     3       sitting on    2
9     3  to the right of    4
10    3       sitting at    2
11    3               of    6
12    4       sitting on    2
13    4   to the left of    3
14    4  to the right of    1
15    4   to the left of    6
16    5       sitting on    2
17    5        on top of    2
18    5  to the right of    0
19    6  to the right of    4
20    6       sitting on    2
21    7       underneath    2
22    7       sitting at    2