Is there any soup to the right of the onion?
No, there is salad to the right of the onion.
    src        edge_attr  dst
0     0  to the right of   11
1     0  to the right of    5
2     1   to the left of   17
3     1   to the left of   19
4     1   to the left of   20
..  ...              ...  ...
95   20  to the right of    1
96   20  to the right of   11
97   20  to the right of    4
98   20   to the left of   19
99   20   to the left of   16

[100 rows x 3 columns]