[Q]: Sentence: A single fertilized egg cell, the zygote, gives rise to the many different plant cell types including parenchyma, xylem vessel elements, phloem sieve tubes, guard cells of the epidermis, etc. Question: What process causes changes in plant cells?
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[A]: no

[Q]: Sentence: In determining whether an organization can become a charity, CRA applies a common law test to its stated objects and activities. Question: How does an NPO keep their charitable status?
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[A]: no

[Q]: 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. Question: South Slavic people consist of which nationalities?
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[A]:
yes