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