You don't list any choices, but colloquialisms are used in informal speech. Hope it helps.
I think the correct answer is the first option. The novel form is most closely related to poetry writing form. Novel are fictional stories that are lengthy while poetry can be fictional or non-fictional and are written relatively shorter. Both of them narrates a story in an artistic form.
Answer: The term 'masquerade' in the poem 'Jabari Unmasked' represents the people who hide their identity or who pretend to be someone else