Which kind of appliance is black?
The appliance is a microwave.
    src        edge_attr  dst
0     0  to the right of    1
1     0  to the right of   12
2     0  to the right of    6
3     0  to the right of   10
4     1   to the left of    0
5     1   to the left of   10
6     1  to the right of   12
7     1   to the left of   16
8     1  to the right of    3
9     2  to the right of    3
10    2   to the left of   16
11    3   to the left of    2
12    3   to the left of    1
13    4               of    7
14    4   to the left of    5
15    5  to the right of   15
16    5  to the right of   17
17    5  to the right of    4
18    5  to the right of    9
19    6   to the left of    8
20    6   to the left of    0
21    6  to the right of    7
22    7   to the left of    6
23    7   to the left of   16
24    8  to the right of    6
25    9               on   17
26    9   to the left of    5
27   10   to the left of    0
28   10  to the right of    1
29   10  to the right of   12
30   12   to the left of    0
31   12   to the left of   16
32   12   to the left of   10
33   12   to the left of    1
34   13   to the left of   14
35   14  to the right of   17
36   14  to the right of   13
37   15               on   17
38   15   to the left of    5
39   16  to the right of   12
40   16  to the right of    1
41   16           beside    0
42   16  to the right of    7
43   16  to the right of    2
44   17   to the left of    5
45   17   to the left of   14