What kind of fast food is to the right of the salad?
The food is a hamburger.
     src        edge_attr  dst
0      0   to the left of   19
1      0   to the left of   11
2      0  to the right of   17
3      0   to the left of    2
4      0   to the left of   10
..   ...              ...  ...
104   19       sitting at   12
105   20   to the left of   16
106   20   to the left of   14
107   20   to the left of   12
108   20  to the right of    4

[109 rows x 3 columns]