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We're going to the beach, to the playground near the sea.
To the sandbox near the fountain, beneath the big palm tree.
The perfect site for best-friend fun, the spot for you and me.
Here, we'll build a mighty castle on the playground near the sea.
The first four lines of this poem are important because they-
A. introduce the speaker's problem
B. describe the setting
C. ask the reader important questions
D. identify the speaker's friend
What is B - describe the setting?