What is on the shelf?
The toilet paper is on the shelf.
    src        edge_attr  dst
0     0             near    1
1     0  to the right of    5
2     0   to the left of    1
3     0               on    2
4     0               in    7
5     0  to the right of    8
6     1          next to    0
7     1               on    2
8     1  to the right of    0
9     2  to the right of    5
10    2  to the right of   15
11    2  to the right of    8
12    3               on    4
13    4   to the left of   11
14    4   to the left of   14
15    5   to the left of    2
16    5   to the left of    0
17    8   to the left of    2
18    8   to the left of    0
19    9   to the left of   14
20   10   to the left of   13
21   10   to the left of   14
22   11  to the right of    4
23   12               on    2
24   13  to the right of   10
25   14  to the right of    9
26   14  to the right of    4
27   14  to the right of   10
28   15   to the left of    2