I believe it is a claim because it does focus on the main idea and what the text/passage should be about. If not I deeply apologize.
Answer:Frankenstein is similar to Prospero in these three ways. They both have someone who they both don't care for. They both treat the person very badly. They listen to whatever the person tells them.
Explanation:
To aim is to direct an object at something else. Ex, when using a bow and arrow you must aim your arrow to hit the center of the target.
The school play is the subject