Give a brief answer to each of the following question in English.What are the features of George Bernard Shaw’s characterization in his plays?

Give a brief answer to each of the following question in English.What are the features of George Bernard Shaw’s characterization in his plays?

A. HE MAKES THE TRICK OF SHOWING UP ONE CHARACTER VIVIDLY AT THE EXPENSE OF ANOTHER.
B. SHAW'S CHARACTERS ARE THE REPRESENTATIVES OF IDEAS, POINTS OF VIEW, THAT SHIFT AND ALTER DURING THE PLAY.