What appliance is not black?
The appliance is a heater.
    src        edge_attr  dst
0     0               on    8
1     0             with   10
2     0            above    8
3     0             with    2
4     0   to the left of    7
5     0   to the left of    5
6     0   to the left of   11
7     1               in    6
8     1           inside    6
9     1   to the left of    7
10    1   to the left of    5
11    1               on    8
12    1   to the left of    4
13    1   to the left of   11
14    2               on    0
15    2   to the left of    4
16    2   to the left of    7
17    3   to the left of   11
18    3   to the left of    7
19    3   to the left of    4
20    4  to the right of    2
21    4  to the right of    1
22    4  to the right of    3
23    5               on    8
24    5            above    8
25    5  to the right of    0
26    5  to the right of    1
27    7               in    6
28    7  to the right of    0
29    7  to the right of    1
30    7  to the right of    2
31    7  to the right of    3
32    7           inside    6
33    7               on    8
34    8            under    0
35    8            under    5
36    8               in    6
37    9               in    6
38   10               on    0
39   11  to the right of    0
40   11  to the right of    1
41   11  to the right of    3