What is the item of furniture in front of the desk?
The piece of furniture is a chair.
    src        edge_attr  dst
0     0      in front of    4
1     1  to the right of    6
2     3             near    4
3     3          next to    4
4     3           behind    4
5     4             near    3
6     4           behind    0
7     4      in front of    3
8     5             near    6
9     5  to the right of    6
10    6          next to    5
11    6   to the left of    5
12    6   to the left of    1