Does the sentence "In the 6th century AD Procopius, writing in Byzantine Greek, refers to the Sklaboi, Sklabenoi, Sklauenoi, Sthlabenoi, or Sklabinoi, while his contemporary Jordanes refers to the Sclaveni in Latin." provide a valid answer to the question "Procopius' contemporary Jordanes referred to the Slavs in what language?"

A: yes

Does the sentence "For example, the serial Japan-Korea treaties of 1905, 1907 and 1910 were protested; and they were confirmed as "already null and void" in the 1965 Treaty on Basic Relations between Japan and the Republic of Korea." provide a valid answer to the question "When are most of the problems created that might result in an otherwise valid treaty being rejected as a binding international agreement?"

A: no

Does the sentence "Organic cotton is generally understood as cotton from plants not genetically modified and that is certified to be grown without the use of any synthetic agricultural chemicals, such as fertilizers or pesticides." provide a valid answer to the question "How much organic cotton was produced worldwide in 2007?"

A: no

Does the sentence "The system prevented the princess from meeting people whom her mother and Conroy deemed undesirable (including most of her father's family), and was designed to render her weak and dependent upon them." provide a valid answer to the question "Who was included in the list of people that the Duchess and Sir John Conroy didn't want the Princess Victoria associating with?"

A:
yes