What kind of appliance is made of wood?
The appliance is a refrigerator.
    src        edge_attr  dst
0     0  to the right of   15
1     0  to the right of   10
2     0  to the right of   13
3     1  to the right of    6
4     1  to the right of    9
5     1  to the right of   11
6     3   to the left of   12
7     5  to the right of   11
8     6   to the left of    1
9     6        on top of    9
10    7   to the left of   12
11    7      looking out    8
12    8   to the left of   12
13    9   to the left of    1
14   10   to the left of    0
15   10  to the right of   13
16   11   to the left of    5
17   11   to the left of    1
18   12  to the right of    7
19   12  to the right of    8
20   12  to the right of    3
21   13   to the left of   10
22   13   to the left of    0
23   13   to the left of   15
24   13      in front of   15
25   15           behind   13
26   15   to the left of    0
27   15  to the right of   13