Riordan absolutely loves making allusions to ancient mythology. In the Lightning Thief for example, when fighting Medusa, Percy avoids looking at her by using a garden sphere. This is an allusion to the myths, when Perseus avoided looking at Medusa by using his own shield like a mirror. That's a simple example. Let me know if you need more.
Answer:
He is a visitor to Verona
He is related to the Prince
Explanation:
both is acceptable
The premises are likely to be true.
The premises reinforce, or support, the conclusion.
The conclusion follows logically from the premises.