What kind of furniture is below the books?
The piece of furniture is a chair.
    src        edge_attr  dst
0     0            above    8
1     1            below    8
2     1  to the right of   10
3     1  to the right of    9
4     1   to the left of   11
5     1   to the left of    5
6     2  to the right of    9
7     2  to the right of    7
8     3   to the left of    5
9     3   to the left of   11
10    3           behind    8
11    4            above   10
12    5  to the right of   12
13    5  to the right of    1
14    5  to the right of    9
15    5  to the right of    3
16    6   to the left of    9
17    6            below    8
18    6               by    8
19    6   to the left of   10
20    6   to the left of    7
21    7            below   10
22    7   to the left of    2
23    7  to the right of    6
24    8            above   10
25    8            below    0
26    8            above    6
27    8      in front of    3
28    8            above    1
29    9   to the left of    5
30    9  to the right of    6
31    9   to the left of   11
32    9   to the left of    1
33    9   to the left of    2
34    9      surrounding   10
35   10            above    7
36   10            below    4
37   10   to the left of    1
38   10            below    8
39   10    surrounded by    9
40   10  to the right of    6
41   11  to the right of   12
42   11               by    5
43   11  to the right of    3
44   11  to the right of    9
45   11  to the right of    1
46   12   to the left of    5
47   12               by    8
48   12   to the left of   11