Wonderful pen is the father or mother of flowers.
Flowers are the father or mother of rice.
Then, the wonderful pen is Amy's grandparents or grandparents
In addition, the above is the relationship between anthropomorphism and animal kingdom.
If rice with wonderful flowers is a plant, assuming that rice is F3 generation,
Then the wonderful pen is F 1 daimi. Rice contains a quarter or 100% of the genetic factor of seedling ratio.