What kind of furniture is the computer mouse on?
The computer mouse is on the desk.
    src        edge_attr  dst
0     0               on    7
1     0               on    6
2     0            above    7
3     0      in front of   11
4     0   to the left of    3
5     0   to the left of    1
6     0   to the left of    8
7     0   to the left of    6
8     1  to the right of    4
9     1  to the right of    0
10    1  to the right of    6
11    2               on    1
12    3  to the right of    0
13    3  to the right of   11
14    4   to the left of    1
15    4   to the left of    8
16    4   to the left of    6
17    5               on    1
18    6  to the right of    0
19    6  to the right of    4
20    6   to the left of    1
21    7            under    0
22    8  to the right of    9
23    8  to the right of    4
24    8               on    7
25    8  to the right of    0
26    9   to the left of    8
27   10               on    7
28   10  to the right of   12
29   11               on    6
30   11   to the left of    3
31   11           behind    0
32   12               on    7
33   12   to the left of   10