Is the cupboard to the left of the suitcase?
Yes, the cupboard is to the left of the suitcase.
    src        edge_attr  dst
0     0   to the left of   20
1     0  to the right of    1
2     1   to the left of   13
3     1   to the left of    5
4     1   to the left of   19
..  ...              ...  ...
57   21   to the left of   19
58   21   to the left of   10
59   21   to the left of    7
60   21   to the left of    6
61   21   to the left of    2

[62 rows x 3 columns]