Are there any plates or mugs that are made of glass?
No, there is a plate but it is made of paper.
    src        edge_attr  dst
0     0  to the right of    2
1     1   to the left of    9
2     2   to the left of    0
3     3   to the left of    5
4     4   to the left of    8
5     5   to the left of    8
6     5  to the right of    3
7     6   to the left of    9
8     7   to the left of   10
9     8  to the right of    4
10    8  to the right of    5
11    9  to the right of    1
12    9  to the right of    6
13   10  to the right of    7