Here, Hamlet is using a metaphor. Metaphors compare two things, yet differ from similes in that they don't use "like" or "as." He is comparing Denmark to a prison, meaning that he feels that the city is confining and bleak.
Marta is the subject of the sentence because she is performing the verb "Planned"
What do you need help with like what do you need help with exactly
Where is the First paragraph 1.