Which kind of furniture is in front of the table?
The pieces of furniture are chairs.
    src        edge_attr  dst
0     0  to the right of   10
1     0  to the right of    9
2     0  to the right of    4
3     0   to the left of    3
4     2  to the right of    5
5     2   to the left of    3
6     2  to the right of   12
7     2   to the left of    6
8     3  to the right of    2
9     3   to the left of    8
10    3  to the right of    0
11    4   to the left of    0
12    4           behind    9
13    4           behind   10
14    5   to the left of    2
15    6  to the right of    2
16    6  to the right of   12
17    6   to the left of    8
18    8  to the right of    3
19    8  to the right of    6
20    9      in front of    4
21    9   to the left of    0
22    9  to the right of   10
23   10      in front of    4
24   10   to the left of    0
25   10   to the left of    9
26   12   to the left of    6
27   12   to the left of    2