What is on the table?
The computers are on the table.
    src        edge_attr  dst
0     0  to the right of   10
1     1               on    0
2     1  to the right of   10
3     2  to the right of    7
4     2  to the right of    8
5     3   to the left of    5
6     4               on    5
7     4  to the right of    9
8     4  to the right of   11
9     5  to the right of   15
10    5  to the right of   14
11    5  to the right of   16
12    5  to the right of    6
13    5  to the right of    3
14    5  to the right of   13
15    6   to the left of    5
16    6   to the left of   11
17    6   to the left of    7
18    6               on    8
19    7               on    8
20    7   to the left of   11
21    7  to the right of    6
22    7  to the right of   13
23    7   to the left of    2
24    8   to the left of    2
25    9   to the left of    4
26   10   to the left of    0
27   10   to the left of    1
28   11   to the left of    4
29   11  to the right of    6
30   11  to the right of    7
31   11  to the right of   13
32   12   to the left of   13
33   12   to the left of   16
34   12   to the left of   15
35   12   to the left of   14
36   13   to the left of    7
37   13   to the left of   11
38   13   to the left of    5
39   13  to the right of   12
40   14   to the left of    5
41   14  to the right of   12
42   14               on   12
43   15  to the right of   12
44   15   to the left of    5
45   16               on    3
46   16  to the right of   12
47   16   to the left of    5