What is inside the cup?
The milk is inside the cup.
    src        edge_attr  dst
0     0   to the left of    6
1     0   to the left of    5
2     0   to the left of   12
3     1      in front of   16
4     1  to the right of   10
..  ...              ...  ...
86   21  to the right of   14
87   21  to the right of   20
88   22  to the right of    1
89   22  to the right of   14
90   22  to the right of   15

[91 rows x 3 columns]