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