What is the name of the device that is open?
The device is a screen.
    src        edge_attr  dst
0     0   to the left of   10
1     0   to the left of    3
2     0   to the left of   13
3     0   to the left of    7
4     1  to the right of   11
5     2   to the left of    3
6     2   to the left of   10
7     2   to the left of   13
8     2   to the left of    7
9     3  to the right of    0
10    3   to the left of   10
11    3  to the right of    6
12    3   to the left of   13
13    3  to the right of    2
14    3   to the left of    7
15    6   to the left of    3
16    6   to the left of   10
17    6   to the left of    7
18    6   to the left of   11
19    6   to the left of   13
20    7  to the right of    0
21    7  to the right of    2
22    7  to the right of    3
23    7  to the right of    6
24    8               on   12
25    8  to the right of   10
26   10  to the right of    2
27   10   to the left of    8
28   10  to the right of    6
29   10  to the right of    3
30   10  to the right of    0
31   11   to the left of    1
32   11  to the right of    6
33   11   to the left of   14
34   13  to the right of    2
35   13  to the right of    6
36   13  to the right of    0
37   13  to the right of    3
38   14  to the right of   11