What type of furniture is this cat on?
The cat is on the chair.
   src        edge_attr  dst
0    0   to the left of    3
1    0  to the right of    4
2    1   to the left of    3
3    3               on    2
4    3  to the right of    1
5    3  to the right of    0
6    4               on    1
7    4   to the left of    5
8    4   to the left of    0
9    5  to the right of    4