What animal is on the chair?
The cat is on the chair.
   src        edge_attr  dst
0    1  to the right of    2
1    2           beside    7
2    2  to the right of    7
3    2   to the left of    1
4    5               on    3
5    5               in    4
6    5       sitting on    3
7    7   to the left of    2