Which kind of furniture is to the right of the chair?
The piece of furniture is a bed.
   src        edge_attr  dst
0    3   to the left of    4
1    3   on the side of    4
2    3   to the left of    6
3    4  to the right of    3
4    6               on    4
5    6  to the right of    3
6    6  to the right of   10
7    8               on    4
8   10   to the left of    6