Does the sentence "Macrobius says that Virgil's father was of a humble background; however, scholars generally believe that Virgil was from an equestrian landowning family which could afford to give him an education." provide a valid answer to the question "Which type of family do scholars generally believe Virgil belonged to?"

A: yes

Does the sentence "Most of the people were peasants settled on small farms." provide a valid answer to the question "Of what class were most inhabitants of the Carolingian Empire?"

A: yes

Does the sentence "The laboratory was also the site where he and his associate invented his "proudest achievement", "the photophone", the "optical telephone" which presaged fibre optical telecommunications, while the Volta Bureau would later evolve into the Alexander Graham Bell Association for the Deaf and Hard of Hearing (the AG Bell), a leading center for the research and pedagogy of deafness." provide a valid answer to the question "The Volta lab improved the phonograph by replacing tinfoil with what substance?"

A: no

Does the sentence "In Georgia Russian has no official status, but it's recognised as a minority language under the Framework Convention for the Protection of National Minorities." provide a valid answer to the question "How many Georgians speak Russian actively?"

A:
no