What is the office chair in front of?
The office chair is in front of the desk.
    src        edge_attr  dst
0     0   to the left of    9
1     0   to the left of    1
2     0   to the left of   11
3     0        on top of   14
4     0  to the right of   13
5     0       sitting on   14
6     1  to the right of   13
7     1  to the right of   11
8     1   to the left of    9
9     1  to the right of    0
10    1   to the left of    4
11    1        on top of   14
12    2            under   14
13    2       underneath   14
14    2            below   14
15    2  to the right of    6
16    4  to the right of    1
17    4  to the right of    9
18    4  to the right of   10
19    5            below   14
20    5  to the right of    6
21    5  to the right of    7
22    5            under   14
23    6   to the left of   15
24    6  to the right of    8
25    6      in front of   14
26    6   to the left of    2
27    6   to the left of    5
28    7   to the left of    5
29    7  to the right of    8
30    8   to the left of    6
31    8   to the left of    7
32    9  to the right of   11
33    9  to the right of    1
34    9  to the right of    0
35    9   to the left of    4
36    9        on top of   14
37   10   to the left of    4
38   10       hanging on   12
39   11  to the right of    0
40   11   to the left of    9
41   11        on top of   14
42   11   to the left of    1
43   11  to the right of   13
44   13        on top of   14
45   13       sitting on   14
46   13   to the left of    1
47   13   to the left of   11
48   13   to the left of    0
49   14            above    5
50   14            above    2
51   14           behind    6
52   15  to the right of    6