Does the sentence "Most the descriptions of the lower classes come from either law codes or writers from the upper classes." provide a valid answer to the question "Along with aristocratic writers, where do contemporary written descriptions of peasants come from?"

A: yes

Does the sentence "It has been proposed that, like Dublin, Cork was an important trading centre in the global Scandinavian trade network." provide a valid answer to the question "Who was thought to have founded Cork?"

A: no

Does the sentence "During the Republic, any person who wished to hold public office had to conform to the Reformed Church and take an oath to this effect." provide a valid answer to the question "What did any person who wanted to hold public office need to conform to during the Republic?"

A: yes

Does the sentence "It was developed and first marketed by the Optical Disc Corporation (ODC, now ODC Nimbus) in 1984." provide a valid answer to the question "Which company originally developed and marketed the RLV?"

A:
yes