Problem: Does "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."" answer the question "What event in 850 AD coincided with the collapse of Mayan civilization?"

A: no

Problem: Does "By the verse Quran, 2:124, Shias believe that Imamah is a divine position always Imamah is accompanied by the word guidance, of course a guidance by God's Command." answer the question "By what Quran verse to Shias believe that Imamah is a divine position?"

A: yes

Problem: Does "A man was addressed by his family name and his title, or by his yobina if he did not have a title." answer the question "What did Kazusanosuke mean?"

A:
no