What is the mango in front of?
The mango is in front of the zucchini.
    src        edge_attr  dst
0     0  to the right of   17
1     0  to the right of    3
2     1  to the right of   13
3     1  to the right of   21
4     2  to the right of   17
..  ...              ...  ...
64   19   to the left of   15
65   20               on   21
66   21   to the left of    1
67   21   to the left of   17
68   21  to the right of   13

[69 rows x 3 columns]