Are there any lemons in the picture?
Yes, there is a lemon.
   src        edge_attr  dst
0    0               on    4
1    1               on    5
2    1  to the right of    5
3    2           behind    5
4    2             near    5
5    5   to the left of    1
6    5      in front of    2
7    5             near    2
8    6               on    3
9    6               on    5