Which kind of furniture is under the bears?
The piece of furniture is a shelf.
    src        edge_attr  dst
0     0  to the right of    3
1     1          full of    5
2     1               of    5
3     1            under    5
4     2  to the right of    8
5     2  to the right of   11
6     3   to the left of   13
7     3   to the left of    0
8     4   to the left of   15
9     4   to the left of   14
10    4   to the left of   13
11    5               on    1
12    5            above    1
13    5  to the right of   12
14    6               on    5
15    7  to the right of    8
16    8   to the left of    7
17    8  to the right of   12
18    8   to the left of   10
19    8   to the left of    2
20   10  to the right of    8
21   11  to the right of   12
22   11   to the left of    2
23   12   to the left of    5
24   12   to the left of   11
25   12   to the left of    8
26   13  to the right of    3
27   13  to the right of    4
28   13   to the left of   15
29   14  to the right of    4
30   15  to the right of    4
31   15               on   14
32   15  to the right of   13