What piece of furniture is white?
The piece of furniture is a bed.
    src        edge_attr  dst
0     0   to the left of    4
1     2   to the left of    4
2     2        on top of    6
3     2      in front of    7
4     3   to the left of    4
5     4  to the right of    2
6     4  to the right of    3
7     4  to the right of    0
8     5      surrounding    6
9     6    surrounded by    5
10    7           behind    2
11    7          wearing    1
12    7        on top of    6