question: OPTIONS:
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Slavs are customarily divided along geographical lines into three major subgroups: West Slavs, East Slavs, and South Slavs, each with a different and a diverse background based on unique history, religion and culture of particular Slavic groups within them.
What three major subgroups are Slavs divided into?

answer: yes

[Q]: Sentence: Tito was a backer of independent roads to socialism (sometimes referred to as "national communism"). Question: When did Tito die? OPTIONS:
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++++++++++
[A]: no

Q: Does "At this great gathering of prelates, leaders of the Church, the case of Athanasius was taken up once more, that is, Athanasius was formally questioned over misdemeanours and even murder, (a man called Arsenius and using his body for magic, an absurd charge.)." provide a valid answer to "About what did the Council of the Church question Athanasius?"?
OPTIONS:
- yes
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A: yes

Problem: Does "Nonwoven reinforcements, or materials with low or no reinforcement, are more expensive but more suitable for some RF/analog applications." answer the question "For what kind of applications are non-woven reinforcement materials better than woven ones?" OPTIONS:
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A: yes

Does the sentence "In 2003, the remains of a mosaic pavement were discovered under the ruins of the Bizere Monastery near the River Mures in present-day Romania." provide a valid answer to the question "when were mosaic pavements uncovered at the Bizere Monastery?" OPTIONS:
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A: yes

Does the sentence "Harvard University, the nation's oldest institute of higher education, is centered across the Charles River in Cambridge but has the majority of its land holdings and a substantial amount of its educational activities in Boston." provide a valid answer to the question "What was MIT originally known as?" OPTIONS:
- yes
- no

A:
no