What is in the tea?
The lemon is in the tea.
    src        edge_attr  dst
0     0               in    4
1     1               on   15
2     1  to the right of   13
3     1   to the left of    2
4     1  to the right of    4
..  ...              ...  ...
75   25   to the left of   28
76   26               on   15
77   27  to the right of    7
78   28  to the right of    7
79   28  to the right of   25

[80 rows x 3 columns]