Are there either any tables or shelves?
No, there are no shelves or tables.
    src        edge_attr  dst
0     0  to the right of    3
1     0  to the right of    2
2     0   to the left of   11
3     0  to the right of    5
4     1   on the side of    9
5     2   to the left of    3
6     2   to the left of    0
7     2  to the right of    5
8     2  to the right of    4
9     2  to the right of    7
10    3  to the right of    4
11    3  to the right of    2
12    3  to the right of    5
13    3   to the left of    0
14    4   to the left of    2
15    4   to the left of    5
16    4   to the left of    3
17    4  to the right of    7
18    5   to the left of    3
19    5   to the left of    2
20    5   to the left of    0
21    5  to the right of    4
22    5  to the right of    7
23    6  to the right of   10
24    7   to the left of    2
25    7   to the left of    4
26    7   to the left of    5
27    8  to the right of   11
28   10   to the left of    6
29   11  to the right of    0
30   11   to the left of    8