What is the piece of furniture to the left of the crate?
The piece of furniture is a shelf.
    src        edge_attr  dst
0     1  to the right of   13
1     2   to the left of    8
2     3  to the right of   15
3     3  to the right of   11
4     4   to the left of    8
5     5  to the right of   13
6     5  to the right of   15
7     5  to the right of   11
8     5  to the right of    7
9     5      in front of   10
10    7   to the left of    5
11    7   to the left of    9
12    8  to the right of    2
13    8  to the right of    4
14    8  to the right of   17
15    9  to the right of   13
16    9  to the right of   11
17    9  to the right of   15
18    9  to the right of    7
19   10  to the right of   12
20   10           behind    5
21   11               on   15
22   11   to the left of    5
23   11   to the left of    9
24   11   to the left of    3
25   12   to the left of   10
26   13   to the left of    5
27   13   to the left of    9
28   13   to the left of    1
29   13               in   14
30   15   to the left of    3
31   15   to the left of    9
32   15   to the left of    5
33   17   to the left of    8