What was used to make the bottle on the ground, plastic or glass?
The bottle is made of glass.
    src        edge_attr  dst
0     0               on    2
1     1          next to    2
2     1   to the left of    6
3     1  to the right of    4
4     1             near    2
5     1      in front of    2
6     2             near    1
7     2           behind    1
8     4   to the left of    5
9     4   to the left of    1
10    4   on the side of    1
11    5               of    1
12    5   to the left of    6
13    5  to the right of    4
14    6  to the right of    5
15    6  to the right of    1
16    8               on    7
17    9               of    1
18   10               on    0