What is the color of the device that is not turned off?
The DVD player is silver.
    src        edge_attr  dst
0     1  to the right of   14
1     1  to the right of   13
2     2   to the left of    8
3     2   to the left of   12
4     2               on    4
5     2  to the right of   13
6     2  to the right of   14
7     3  to the right of   15
8     4  to the right of   14
9     4  to the right of   13
10    4            above    9
11    5   to the left of   16
12    5  to the right of    9
13    6               on    4
14    8  to the right of    2
15    9            below    4
16    9   to the left of    5
17   10  to the right of   15
18   10               on    4
19   10               on    3
20   11  to the right of   13
21   11  to the right of   14
22   12  to the right of   13
23   12  to the right of    2
24   13   to the left of   12
25   13   to the left of    2
26   13   to the left of    4
27   13   to the left of    1
28   13   to the left of   15
29   13   to the left of   11
30   14   to the left of    4
31   14   to the left of   11
32   14   to the left of    1
33   14   to the left of    2
34   15   to the left of    3
35   15   to the left of   10
36   15               on    4
37   15  to the right of   13
38   16               of    4
39   16  to the right of    5