What material is the fork to the right of the meat, plastic or steel?
The fork is made of plastic.
    src        edge_attr  dst
0     0             with    2
1     0  to the right of    7
2     0  to the right of    3
3     1   to the left of    3
4     2  to the right of    7
5     2  to the right of    3
6     2               on    4
7     3  to the right of    1
8     3   to the left of    2
9     3   to the left of    0
10    4  to the right of    7
11    7   to the left of    0
12    7   to the left of    4
13    7   to the left of    2