What kind of furniture is to the left of the heater?
The piece of furniture is a nightstand.
    src        edge_attr  dst
0     0   to the left of    3
1     0  to the right of    5
2     1               on    0
3     1  to the right of    4
4     3  to the right of    5
5     3  to the right of    4
6     3  to the right of    0
7     4   to the left of    3
8     4  to the right of    5
9     4   to the left of    1
10    5   to the left of    0
11    5   to the left of    4
12    5   to the left of    3