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