What is the piece of furniture that is to the left of the container in the center of the image?
The piece of furniture is a shelf.
    src        edge_attr  dst
0     1   to the left of    2
1     2  to the right of    8
2     2  to the right of    1
3     2  to the right of    4
4     4   to the left of    9
5     4   to the left of    2
6     4   to the left of   10
7     4   to the left of   18
8     4   to the left of    7
9     4   to the left of   11
10    4   to the left of   15
11    4   to the left of   12
12    4   to the left of   17
13    5   to the left of   14
14    5   to the left of   13
15    6  to the right of   12
16    6   to the left of   14
17    7  to the right of    4
18    7   to the left of   15
19    8   to the left of   10
20    8   to the left of    2
21    9  to the right of    4
22   10  to the right of    4
23   10  to the right of    8
24   11   to the left of   14
25   11  to the right of    4
26   12   to the left of   14
27   12  to the right of    4
28   12   to the left of    6
29   12            above   17
30   12   to the left of   16
31   13   to the left of   14
32   13  to the right of    5
33   14  to the right of   13
34   14  to the right of   15
35   14  to the right of    5
36   14  to the right of   12
37   14  to the right of    6
38   14  to the right of   16
39   14  to the right of   11
40   15  to the right of    4
41   15  to the right of    7
42   15   to the left of   14
43   16               of    0
44   16  to the right of   12
45   16   to the left of   14
46   17   to the left of   18
47   17            under   12
48   17               of   12
49   17  to the right of    4
50   18               of   12
51   18  to the right of   17
52   18  to the right of    4