If your subject and verb have been interrupted with a prepositional phrase, check to make sure that your verb does not accidentally agree with the instead of the simple subject.
question 3 options:
preposition
subject
participle
object of preposition

try to do soaps tone.

s-subject

o-occasion (the reason the author wrote the poem)

a-audience (who is this poem mostly for)

p-purpose (was it to convince, inspire, etc. the audience)

s-speaker (can be the author or another character, like is a child, adult, woman, elderly, animal narrating the poem)

tone- the mood the reader gets from this poem

mood- the mood the author had with their own poem

meaning- what do you think the meaning is?

message- what is the author trying to explain to the audience? like what is the theme?

if you still don't get it try showing everyone the poem so they could unravel it