question: OPTIONS:
- yes
- no
By the 8th century the Roman cardinals constituted a privileged class among the Roman clergy.
When were the Roman cardinals perceived as a privleged class among the Roman clergy?

answer: yes


[Q]: Sentence: The city has a Mayor and is one of the 16 cities and towns in England and Wales to have a ceremonial sheriff who acts as a deputy for the Mayor. Question: What's the name of the 578th sheriff of Southampton? OPTIONS:
- yes
- no
++++++++++
[A]: no


Q: Does "These alloys are marketed under the name Zamak." provide a valid answer to "Alloys of zinc mixed with copper, aluminium and magnesium are marketed as what?"?
OPTIONS:
- yes
- no
A: yes


Problem: Does "In 1951, the UN created the United Kingdom of Libya, a federal state under the leadership of a pro-western monarch, Idris, who banned political parties and established an absolute monarchy." answer the question "Who was the first leader of Libya?" OPTIONS:
- yes
- no

A: yes


Does the sentence "The major applications of copper are in electrical wires (60%), roofing and plumbing (20%) and industrial machinery (15%)." provide a valid answer to the question "What percentage of copper is used in electrical wires?" OPTIONS:
- yes
- no

A: yes


Does the sentence "After two years of work, the experts delivered their report in 1973." provide a valid answer to the question "What did Chancellor Willy Brandt propose in his  28 October 1969 address?" OPTIONS:
- yes
- no

A:
no