These sentences were examples from the language creator's original book [1], and his initial idea was to use nouns as a way to ask a question, and then add a personal pronoun for an affirmative statement:
> Will you go to the theatre tonight? - Soldoremi?
> I will go to the theatre tonight. - Soldoremi dore.
As far as I know, later it was changed by the followers and the Solresol grammar [2] tries to move away from this approach, e.g
> Dore fasifa ladofa fami ladosol (I want to read this book [3])