A is possibly your best option, even as themes can be impacted by setting in many other ways......theme is the main and idea of the piece of literature and a theme can also symbolize a primary conflict.
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Uhm
I hear the waves .
idk
It's about Tillys reaction to him mom telling him how he's going to be a star and imagining all that can come with that.
Lencho wanted it to rain for the crops