Does the sentence "While the samurai numbered less than 10% of then Japan's population, their teachings can still be found today in both everyday life and in modern Japanese martial arts." provide a valid answer to the question "How much of Japan were samurais?"

A: yes

Does the sentence "The MX-1593 program evolved to become the Atlas-A, with its maiden launch occurring June 11, 1957, becoming the first successful American ICBM." provide a valid answer to the question "The Atlas-A first launched on what date?"

A: yes

Does the sentence "According to George Raudzens, "It is clear that in pre-Columbian times some groups struggled to survive and often suffered food shortages and famines, while others enjoyed a varied and substantial diet."" provide a valid answer to the question "Where did the potato originate?"

A: no

Does the sentence "Modern historians remain divided as to whether John suffered from a case of "royal schizophrenia" in his approach to government, or if his actions merely reflected the complex model of Angevin kingship in the early 13th century." provide a valid answer to the question "What did John suffer from?"

A:
yes