What does death suggest about the mayor's open windows

Which pair of uses of figurative language from "the caged bird" support the extended metaphor of freedom versus oppression? back of the wind; floats downstream his wings are clipped; his feet are tied the caged bird sings; the free bird thinks dawn bright lawn; grave of dreams

Gulliver's attempt to imitate the houyhnhnms gulliver to accept himself as he is causes gulliver to hate himself and other humans improves gulliver's character causes gulliver to be patient with people's problems next

According to auden’s “musée des beaux arts”, who understands human suffering