Are there sandwiches or knives?
Yes, there is a sandwich.
    src        edge_attr  dst
0     4  to the right of   16
1     4  to the right of   15
2     6               of    5
3     7  to the right of   14
4     9  to the right of   14
..  ...              ...  ...
56   25      in front of   24
57   26  to the right of   11
58   26  to the right of   16
59   26  to the right of   20
60   26  to the right of   10

[61 rows x 3 columns]