Which rhetorical technique is the speaker using?

What does the first line in this stanza from old ironsides by oliver wendell holmes tell the reader about the ship

What sign post goes with the quote goodnight goodnight parting is such sweet sorrow. that i shall say goodnight till it be morrow

Marvell's poem is in fact an argument consisting of three logically related points. in at least 150 words, identify each point and trace the speaker's argument from proposition to conclusion. you may find it to identify the transitional word or phrase that marks the beginning of each part of the argument. support your analysis of the argument with details from the poem.