What vegetable is to the right of the salad?
The vegetable is a potato.
     src        edge_attr  dst
0      0               of    2
1      0             with    2
2      0  to the right of   21
3      0   to the left of   13
4      0   to the left of    1
..   ...              ...  ...
204   27   to the left of   12
205   28   to the left of   22
206   28   to the left of   27
207   28  to the right of   14
208   28  to the right of   16

[209 rows x 3 columns]