Is the utensil that is silver made of plastic?
No, the fork is made of metal.
   src        edge_attr  dst
0    2               in    1
1    2   to the left of    3
2    3        on top of    1
3    3  to the right of    2
4    3  to the right of    4
5    4        on top of    3
6    4   to the left of    3