What is the vase made of?
The vase is made of concrete.
    src        edge_attr  dst
0     0   to the left of    9
1     0  to the right of   14
2     0   to the left of   10
3     0   to the left of   19
4     0  to the right of    7
5     0  to the right of   12
6     1   to the left of    7
7     2               on    1
8     3   to the left of    8
9     3   to the left of   15
10    3   to the left of    4
11    4  to the right of    3
12    5   to the left of   10
13    6  to the right of    8
14    6  to the right of   15
15    6   to the left of   10
16    6      in front of   10
17    7   to the left of   14
18    7   to the left of    0
19    7  to the right of    1
20    7   to the left of   17
21    8   to the left of   18
22    8  to the right of    3
23    8   to the left of    6
24    9  to the right of    0
25   10  to the right of    6
26   10  to the right of    5
27   10           behind    6
28   10  to the right of    0
29   11   to the left of   13
30   11  to the right of   15
31   12  to the right of   16
32   12   to the left of   17
33   12   to the left of    0
34   13  to the right of   11
35   14   to the left of   17
36   14  to the right of    7
37   14   to the left of    0
38   15  to the right of    3
39   15   to the left of   11
40   15   to the left of    6
41   15   to the left of   18
42   16   to the left of   12
43   17  to the right of    7
44   17  to the right of   14
45   17  to the right of   12
46   18  to the right of   15
47   18  to the right of    8
48   19  to the right of    0