What is tied to the desk?
The balloon is tied to the desk.
    src        edge_attr  dst
0     0  to the right of    5
1     0               on   18
2     1   to the left of   10
3     1   to the left of    5
4     1   to the left of    4
..  ...              ...  ...
71   15               on    9
72   16               on    1
73   17  to the right of    1
74   17   to the left of    2
75   18  to the right of    5

[76 rows x 3 columns]