What is the flower in?
The flower is in the vase.
   src        edge_attr  dst
0    0  to the right of    3
1    0   to the left of    5
2    1               on    2
3    3               by    2
4    3   to the left of    0
5    3               at    2
6    3               by    4
7    5  to the right of    0
8    5               in    1