How is the sauce on the plate called?
The sauce is mustard.
    src        edge_attr  dst
0     0  to the right of   17
1     1   to the left of   17
2     2   to the left of    7
3     2   to the left of    3
4     2   to the left of   19
..  ...              ...  ...
56   19  to the right of    2
57   19  to the right of   13
58   19  to the right of    5
59   20               on   12
60   20   to the left of    6

[61 rows x 3 columns]