What is the device that is not black?
The device is a screen.
    src        edge_attr  dst
0     0   to the left of    7
1     0   to the left of    8
2     1   to the left of    8
3     1  to the right of    3
4     2   to the left of   10
5     3   to the left of    1
6     3   to the left of    8
7     3   to the left of    4
8     3   to the left of    7
9     4  to the right of    3
10    4   to the left of    8
11    6          holding    4
12    6          wearing    3
13    7  to the right of    3
14    7  to the right of    0
15    7  to the right of    9
16    8  to the right of    0
17    8  to the right of    3
18    8  to the right of    4
19    8  to the right of    1
20    8  to the right of    9
21    9   to the left of    7
22    9   to the left of    8
23   10  to the right of    2