What device is on the desk?
The device is a computer monitor.
    src        edge_attr  dst
0     0               on   10
1     1               on   10
2     1   to the left of    9
3     1   to the left of    8
4     2               on   10
5     3  to the right of    9
6     3               on    4
7     4  to the right of    9
8     5   to the left of    6
9     5          next to    7
10    5  to the right of    7
11    5               on   10
12    5             near    7
13    6               on   10
14    6  to the right of    5
15    6  to the right of    7
16    7               on   10
17    7   to the left of    6
18    7             near    5
19    7   to the left of    5
20    8               on   10
21    8   to the left of    9
22    8          next to    9
23    8             near    9
24    8  to the right of    1
25    9             near    8
26    9  to the right of    1
27    9   to the left of    3
28    9   to the left of    4
29    9  to the right of    8
30    9               on   10