What is the fork on?
The fork is on the plate.
    src          edge_attr  dst
0     0    to the right of    2
1     0    to the right of    1
2     0    to the right of    6
3     1                 in    2
4     1    to the right of    6
5     1    to the right of    8
6     1     to the left of    0
7     2    to the right of    6
8     2     to the left of    0
9     2    to the right of    8
10    4     to the left of    8
11    4     to the left of    6
12    4     to the left of   10
13    6                 on    5
14    6     to the left of    1
15    6        topped with    0
16    6  sitting on top of    5
17    6     to the left of    0
18    6    to the right of    4
19    6     to the left of    2
20    6    to the right of   11
21    7                 on    5
22    8     to the left of    1
23    8     to the left of    2
24    8    to the right of    4
25   10    to the right of    4
26   10    to the right of   11
27   11     to the left of    6
28   11     to the left of   10