Are there either desks or cups?
Yes, there is a desk.
    src        edge_attr  dst
0     0               on    3
1     0  to the right of    8
2     0  to the right of    6
3     1               on    3
4     1   to the left of   10
..  ...              ...  ...
57   20  to the right of   16
58   20   to the left of   21
59   20   to the left of   11
60   21   to the left of    2
61   21  to the right of   20

[62 rows x 3 columns]