What's the bottle made of?
The bottle is made of plastic.
    src        edge_attr  dst
0     3  to the right of    8
1     3  to the right of    7
2     4   to the left of    5
3     5  to the right of    4
4     5  to the right of    6
5     6   to the left of    5
6     6   to the left of    9
7     7   to the left of    3
8     7  to the right of    8
9     8   to the left of    3
10    8   to the left of    7
11    9  to the right of    6