Is this a couch or a bed?
This is a bed.
   src        edge_attr  dst
0    0        on top of    6
1    0               on    6
2    0               on    4
3    2   to the left of    7
4    3               on    6
5    3  to the right of    4
6    4   to the left of    7
7    4   to the left of    3
8    7  to the right of    2
9    7  to the right of    4