Is this cake white or brown?
The cake is brown.
    src edge_attr  dst
0     0     below    4
1     0     under    4
2     1        on    5
3     4   next to    5
4     4      near    5
5     4        on    0
6     5        on    6
7     5     above    6
8     5      near    4
9     6        on    2
10    6     under    5