Are there both chairs and shelves in the image?
No, there is a chair but no shelves.
    src        edge_attr  dst
0     1  to the right of    7
1     1               of    4
2     2   to the left of   11
3     2   to the left of    9
4     2  to the right of    6
5     2  to the right of    8
6     2  to the right of    5
7     5   to the left of   11
8     5   to the left of    2
9     6   to the left of    2
10    6  to the right of   10
11    6   to the left of   11
12    7   to the left of   11
13    7   to the left of    1
14    8       sitting on    5
15    8   to the left of   11
16    8   to the left of    2
17    8  to the right of   10
18    9       sitting on   11
19    9  to the right of    2
20   10   to the left of    6
21   10   to the left of    8
22   11  to the right of    5
23   11  to the right of    2
24   11  to the right of    7
25   11  to the right of    8
26   11  to the right of    6