What's the monitor on?
The monitor is on the desk.
    src        edge_attr  dst
0     0               on    1
1     0             near    5
2     2             near    3
3     2             near    4
4     2               on    1
5     2   to the left of    4
6     3             near    2
7     3               on    1
8     3             near    5
9     3   to the left of    5
10    4  to the right of    2
11    4             near    5
12    4   to the left of    5
13    4               on    1
14    4             near    2
15    5               on    1
16    5             near    0
17    5             near    4
18    5  to the right of    4
19    5             near    3
20    5  to the right of    3