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