Logical reasoning or the process of debate
I would say TV drama is a subgenre of the general "TV series" genre
anything shown by episodes on TV is a TV series, that includes drama, Comedy, Suspense, Horror and Food!
Hope this helped *smiles*
From looking at the painting, I would say that the best answer is C, the designer uses different colors to create contrast.
It is definitely not A because the apron has different colors, not repeating colors.