How tall is the empty wine glass?
The wine glass is short.
    src        edge_attr  dst
0     0               in    3
1     0   to the left of   17
2     0   to the left of    5
3     0  to the right of    9
4     1   to the left of   14
..  ...              ...  ...
70   18  to the right of   11
71   18  to the right of    5
72   19   to the left of   17
73   19  to the right of    8
74   19  to the right of    2

[75 rows x 3 columns]