Are the fork and the cup made of the same material?
Yes, both the fork and the cup are made of plastic.
    src        edge_attr  dst
0     0        on top of    4
1     0   to the left of    2
2     1             near   14
3     2  to the right of   16
4     2  to the right of    0
5     2  to the right of   10
6     3  to the right of   14
7     3   to the left of   13
8     3  to the right of   15
9     3           inside    5
10    4  to the right of    9
11    4        on top of    1
12    5  to the right of   15
13    5        on top of    1
14    5  to the right of   14
15    6  to the right of   14
16    6  to the right of   15
17    7        on top of    1
18    8  to the right of    9
19    8        on top of   16
20    9   to the left of    8
21    9   to the left of   10
22    9        on top of    1
23    9   to the left of   16
24    9   to the left of    4
25   10        on top of    4
26   10        on top of   16
27   10  to the right of    9
28   10   to the left of    2
29   11           inside    7
30   12  to the right of   15
31   13  to the right of    3
32   13  to the right of   15
33   13  to the right of   14
34   13           inside    5
35   14   to the left of    3
36   14   to the left of    6
37   14          next to    1
38   14   to the left of   13
39   14   to the left of    5
40   15   to the left of    3
41   15   to the left of   13
42   15   to the left of    5
43   15   to the left of    6
44   15   to the left of   12
45   16   to the left of    2
46   16  to the right of    9
47   16             with    8
48   16        on top of    4