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