Are there any cups that are not made of plastic?
No, there is a cup but it is made of plastic.
    src        edge_attr  dst
0     0  to the right of    4
1     1             with   11
2     1  to the right of    3
3     2               of   13
4     2   to the left of   12
5     2   to the left of   11
6     3   to the left of   12
7     3   to the left of    6
8     3   to the left of   11
9     3   to the left of    1
10    4   to the left of    0
11    4   to the left of   12
12    6  to the right of    3
13    6               of   11
14    9               of   13
15   10               of   13
16   11  to the right of    2
17   11  to the right of    3
18   11               in    6
19   12  to the right of    4
20   12  to the right of    2
21   12  to the right of    3
22   12               of   13
23   13          wearing    8
24   13             with    6
25   13            using    3
26   13       looking at    3
27   13          holding    6
28   13          holding    3