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How does the theme of madness emerge in the poem?


The narrator sits on a chair in front of the bird, and believing the bird is a prophet, begins asking it questions.

The narrator, believing that the bird has come to steal his soul, shrieks at it, asking it to leave.

The narrator thinks the air is becoming filled with the scent of perfume from an unknown source.

The narrator keeps answering a tapping at his door but finds no one there.