6 Bring your parents and your mother and especially your father. In this example, the jury is acting as one unit therefore, the referent pronoun. Collective Nouns (group, jury, crowd, team, etc.) may be singular or plural, depending on meaning. Note: Example #1, with the plural antecedent closer to the pronoun, creates a smoother sentence than example #2, which forces the use of the singular 'his or her.' 5.
I would translate the first sentence to mean: You poor fool, are you trying to tell me that you don't know anything about art? The second one is difficult to translate without knowing the context.