Which two things can the developer do to facilitate this for them?

A merchant is selling a new product line of televisions. In order to deliver a good customer experience, the merchandising team wants the screen size to be incorporated into the search and navigation journey.

Which two things can the developer do to facilitate this for them? Choose 2 answers
A . Create a new search refinement for a Boolean value true or false and label it "big screen."
B. Define a new searchable attribute for Screen Size.
C. Configure catalog-level search refinement definition for Screen Size.
D. Configure Screen Size threshold search refinement bucket definitions.

Answer: B,C