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