What is this piece of furniture called?
This is a bookcase.
    src        edge_attr  dst
0     0   to the left of   14
1     1   to the left of   14
2     2   to the left of   14
3     4  to the right of    5
4     4  to the right of    9
5     4  to the right of   18
6     5   to the left of    4
7     5  to the right of    9
8     5  to the right of   18
9     5   to the left of    6
10    6  to the right of    9
11    6  to the right of    5
12    8  to the right of   17
13    9  to the right of   18
14    9   to the left of    5
15    9   to the left of    6
16    9   to the left of    4
17   10          holding   18
18   10            using   18
19   11   to the left of   14
20   11   to the left of   18
21   11               of   10
22   12   to the left of   18
23   12   to the left of   13
24   12               of   10
25   13               of   10
26   13  to the right of   18
27   13  to the right of   12
28   14  to the right of    2
29   14  to the right of   11
30   14  to the right of   18
31   14  to the right of    0
32   14  to the right of    1
33   14               of   10
34   15               of   10
35   17   to the left of   18
36   17   to the left of    8
37   18   to the left of    9
38   18  to the right of   17
39   18   to the left of    5
40   18  to the right of   12
41   18   to the left of   13
42   18   to the left of    4
43   18  to the right of   11
44   18   to the left of   14