What best describes the central idea or motif in a raisin in the sun

My cat and my dog like best friends

Which statement contains an opinion? the ants serve to protect the acacia from other plants and herbivores. the acacia depends on pollinators for the exchange of genetic material. the acacia has no chemical defenses to discourage herbivores. the ants provide the acacia with the best protection from other plants and herbivores.

In the poem i felt a funeral, in my brain, what rhyme scheme does the poet use and how does it contribute to the poem?