Is the tomato to the left or to the right of the lemon?
The tomato is to the left of the lemon.
    src        edge_attr  dst
0     0   to the left of    5
1     0  to the right of    4
2     0   to the left of   16
3     0  to the right of   13
4     1   to the left of    3
..  ...              ...  ...
84   17               on   14
85   18  to the right of   11
86   18   to the left of    5
87   18  to the right of    1
88   18  to the right of   14

[89 rows x 3 columns]