What kind of vegetable is to the right of the roast beef?
The vegetable is parsley.
    src        edge_attr  dst
0     0               in   10
1     0  to the right of   11
2     1  to the right of    9
3     1  to the right of    4
4     1  to the right of   11
..  ...              ...  ...
57   16  to the right of    9
58   16  to the right of    4
59   17  to the right of   11
60   18   to the left of   14
61   18   to the left of    6

[62 rows x 3 columns]