What item of furniture is on the wall?
The piece of furniture is a medicine cabinet.
   src        edge_attr  dst
0    1               on    4
1    1   to the left of    3
2    1  to the right of    7
3    1   to the left of    6
4    3               on    4
5    3  to the right of    1
6    4  to the right of    7
7    6  to the right of    1
8    7   to the left of    1
9    7   to the left of    4