I was wondering whether posing an alternative question (that cannot be answered with yes and no, but with the constituents) sounds natural if you use a full subject (no pronoun) and no “est-ce que”.
This would be an example:
Question: Paul veut une pomme ou une banane?
Answer: Une banane.
Does it sound natural? Would it sound better with dislocation:
Paul, il veut une pomme ou une banane?