What kind of device is not off?
The device is a computer.
    src        edge_attr  dst
0     1  to the right of    6
1     1  to the right of    7
2     4   to the left of    9
3     4   to the left of    8
4     5   to the left of    6
5     6   to the left of   10
6     6   to the left of   11
7     6  to the right of    5
8     6             near   15
9     6   to the left of   12
10    6   to the left of    1
11    6       sitting on    7
12    7   to the left of   11
13    7   to the left of   10
14    7   to the left of    1
15    7   to the left of   12
16    8   to the left of   16
17    8  to the right of    4
18    9   to the left of   16
19    9  to the right of    4
20    9  to the right of   15
21   10  to the right of    7
22   10  to the right of    6
23   10  to the right of   15
24   11   to the left of   16
25   11   to the left of   12
26   11  to the right of    7
27   11       sitting on   10
28   11  to the right of    6
29   12  to the right of    7
30   12  to the right of   11
31   12  to the right of    6
32   13               on   15
33   14               on    3
34   14  to the right of   15
35   14   to the left of   16
36   15   to the left of   16
37   15             near    6
38   15   to the left of    9
39   15   to the left of   10
40   15   to the left of   14
41   16  to the right of   15
42   16  to the right of   14
43   16  to the right of    8
44   16  to the right of   11
45   16  to the right of    9