Are there either chairs or headphones?
Yes, there are headphones.
    src        edge_attr  dst
0     0   to the left of    6
1     0  to the right of    1
2     0  to the right of   11
3     0   to the left of   19
4     0               of    1
..  ...              ...  ...
88   18  to the right of   10
89   19  to the right of   13
90   19  to the right of    0
91   20   to the left of    8
92   20   to the left of    4

[93 rows x 3 columns]