Are there cakes near the plate the fork is in?
Yes, there is a cake near the plate.
    src edge_attr  dst
0     1        on    0
1     1        on    3
2     1      near    3
3     1      near    2
4     1        in    3
5     2      near    3
6     2        in    3
7     2      near    1
8     2        on    3
9     3        on    0
10    3      near    1
11    3      near    2