What are the purposes of a prologue in a play? (multiple choice)

a) to provide information about the inner thoughts and feelings of a character.
b) to set the mood and tone of the play and provide background information.
c) to provide information about how the stage should be set and what props are needed.
d) to give some insight into the relationships amoung different characters
e) to provide a hint to the audience about what will happen later in the play.

B is the closest to the right answer.

Explanation:

The purpose of the prologue is to establish the setting and connect the earlier story to the main story (give background information).  So in essence, yes, it could give some insight into the relationships among different characters, but the main purpose is to provide background information.  

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