Does the sentence "Present-day Slavic people are classified into West Slavic (chiefly Poles, Czechs and Slovaks), East Slavic (chiefly Russians, Belarusians, and Ukrainians), and South Slavic (chiefly Serbs, Bulgarians, Croats, Bosniaks, Macedonians, Slovenes, and Montenegrins), though sometimes the West Slavs and East Slavs are combined into a single group known as North Slavs." provide a valid answer to the question "West and East Slavs are sometimes combined into a single group called what?" OPTIONS:
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A: yes

Question:
Choose your answer: Is "In Greek-inhabited territory itself, Greeks came to play a leading role in the Ottoman Empire, due in part to the fact that the central hub of the empire, politically, culturally, and socially, was based on Western Thrace and Greek Macedonia, both in Northern Greece, and of course was centred on the mainly Greek-populated, former Byzantine capital, Constantinople." a good answer to the question "What type of position did Greeks come to hold in the Ottoman Empire ?" OPTIONS:
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- no
Answer:
yes

QUES: Q: What is Somerset an important supplier of
A: It has been announced twice, in 2006 and 2007, that manufacturing is to end at Thales Optics' Taunton site, but the trade unions and Taunton Deane District Council are working to reverse or mitigate these decisions.
Does the answer answer the question? OPTIONS:
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ANS: no

Does "These areas were rapidly filled from the mid 1850s by the ubiquitous terrace house, as well as detached houses and some grand mansions in large grounds, while some of the major roads developed as shopping streets." contain the correct answer to "Around what year did Yarra rowing clubs and "regattas" become popular?"
OPTIONS:
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A: no

question: OPTIONS:
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In recent years, the ever-improving paved highway system began to eclipse the railroad's importance in Alaska's economy.
What year was the Alaska Railroad built?

answer: no

question: OPTIONS:
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West's songs featured guest appearances from rappers such as Ma$e, Raekwon, and Eminem.
What rappers were featured in the songs that Kanye produced for Tell 'Em Why U Madd?

answer:
yes