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