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