Are there both shelves and guitars in this image?
Yes, there are both a guitar and a shelf.
    src        edge_attr  dst
0     0   to the left of   17
1     0  to the right of    9
2     2  to the right of   17
3     2  to the right of   14
4     4   to the left of    5
5     5  to the right of    4
6     7  to the right of   14
7     7  to the right of   17
8     7  to the right of   10
9     9   to the left of    0
10   10   to the left of   17
11   10   to the left of   14
12   10   to the left of    7
13   11  to the right of   17
14   11  to the right of   14
15   12               on   10
16   12   to the left of   17
17   12   to the left of   14
18   14   to the left of    7
19   14   to the left of   11
20   14  to the right of   10
21   14  to the right of   12
22   14   to the left of    2
23   14  to the right of   16
24   16   to the left of   17
25   16   to the left of   14
26   17  to the right of   10
27   17  to the right of   12
28   17   to the left of    2
29   17   to the left of    7
30   17   to the left of   11
31   17  to the right of    0
32   17  to the right of   16