In a Certain Species of Plant, Flowers Occur in Three

In a certain species of plant, flowers occur in three colors: blue, pink, and white.A pure-breeding pink plant is mated with a pure-breeding white plant.All of the F₁ are blue.When the blue F₁ plants are selfed, the F₂ occur in the ratio 9 blue:3 pink:4 white.What is the name for this type of interaction?

A) Recessive epistasis
B) Dominant epistasis
C) Duplicate recessive epistasis
D) Duplicate dominant epistasis
E) Dominant and recessive epistasis