What is under the banana?
The apple is under the banana.
   src        edge_attr  dst
0    0  to the right of    2
1    0  to the right of    3
2    1          beneath    3
3    1            under    3
4    1            below    3
5    1  to the right of    3
6    2   to the left of    0
7    3   to the left of    1
8    3   to the left of    0
9    3            above    1