What is the computer on?
The computer is on the bed.
    src        edge_attr  dst
0     0   to the left of    6
1     1   to the left of    6
2     2   to the left of   10
3     3  to the right of    8
4     3  to the right of    4
5     4   to the left of    3
6     4   to the left of   10
7     4               on   11
8     5               on   11
9     5  to the right of    8
10    5  to the right of   12
11    6  to the right of    1
12    6            above   11
13    6  to the right of    0
14    7               on   11
15    8               on   11
16    8   to the left of    5
17    8   to the left of   10
18    8   to the left of    3
19    9             near   11
20   10  to the right of    8
21   10  to the right of    4
22   10  to the right of    2
23   11             near    9
24   12   to the left of    5
25   12       sitting on   11
26   12               on   11