Is the monitor to the right of a speaker?
No, the monitor is to the right of a computer.
    src        edge_attr  dst
0     0   on the side of   12
1     2  to the right of    9
2     2  to the right of    4
3     2  to the right of    8
4     3  to the right of   15
5     3   to the left of    5
6     3               of   10
7     4   to the left of    2
8     4               of   15
9     5               on    2
10    5  to the right of    3
11    5               on    9
12    6   to the left of   15
13    6               of    7
14    7   to the left of   13
15    8            under    9
16    8   to the left of    2
17    9   to the left of    2
18    9            above    8
19   10  to the right of   15
20   10   to the left of   11
21   11  to the right of   10
22   13  to the right of    7
23   15   to the left of    3
24   15  to the right of    6
25   15   to the left of   10