Does "Kiev was the main power and initiator in this relationship, once the Byzantine Empire fell into turmoil and the supplies became erratic, profits dried out, and Kiev lost its appeal.[citation needed]" contain the correct answer to "What played a major role in the decline of the Rus?"

A: no

Does "In French-speaking Belgium, over 300,000 pupils are enrolled in Dutch courses, followed by over 23,000 in the German states of Lower Saxony and North Rhine-Westphalia, and about 7,000 in the French region of Nord-Pas-de-Calais (of which 4,550 are in primary school)." contain the correct answer to "Besides North Rhine-Westphalia, which German state has the most pupils of Dutch?"

A: yes

Does "After a period of confusion following Alexander's death, the Antigonid dynasty, descended from one of Alexander's generals, established its control over Macedon and most of the Greek city-states by 276 BC." contain the correct answer to "The end of Antigonid rule began in what year?"

A:
no