[Q]: Sentence: The apparently sudden appearance of nearly modern flowers in the fossil record initially posed such a problem for the theory of evolution that it was called an "abominable mystery" by Charles Darwin. Question: What did Charles Darwin call the sudden appearance of nearly modern flowers in the fossil record? OPTIONS:
- yes
- no
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[A]: yes

Q: Does "Distribution of funds is managed by the Migratory Bird Conservation Commission (MBCC)." provide a valid answer to "Who manages the distribution of the funds obtained by the sale of the stamps?"?
OPTIONS:
- yes
- no
A: yes

Problem: Does "Hulme)[citation needed] or "an old bitch gone in the teeth" (Pound) and wanted to go back to a more manly, authoritarian society such as (they believed) existed in the Middle Ages." answer the question "What was the main reason they disagreed with the beliefs?" OPTIONS:
- yes
- no

A: no

Does the sentence "The Duchy of Lancaster is one of two royal duchies in England." provide a valid answer to the question "What is the Duchy of Lancaster?" OPTIONS:
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- no

A: yes

Question:
Choose your answer: Is "It can be used effectively with partially overcast skies and will typically reach temperatures of 90150 C (194302 F)." a good answer to the question "What is the typical temperature range for a box cooker?" OPTIONS:
- yes
- no
Answer:
yes

[Q]: Sentence: For the past 25 years, the Tucson Folk Festival has taken place the first Saturday and Sunday of May in downtown Tucson's El Presidio Park. Question: When is the Tucson Folk Festival held? OPTIONS:
- yes
- no
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[A]:
yes