question: OPTIONS:
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Those that escaped envelopment and capture were rapidly forced back north all the way to the border with China at the Yalu River, or into the mountainous interior.
In 1950, what country got involved in the war?

answer: yes

[Q]: Sentence: Starting in the late Middle Ages, pitchblende was extracted from the Habsburg silver mines in Joachimsthal, Bohemia (now Jachymov in the Czech Republic), and was used as a coloring agent in the local glassmaking industry. Question: What color of ceramic glaze was extracted from uranium oxide? OPTIONS:
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- no
++++++++++
[A]: no

Q: Does "Russia experienced territorial growth through the 17th century, which was the age of Cossacks." provide a valid answer to "The 17th century is also known as?"?
OPTIONS:
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- no
A: yes

Problem: Does "In his role as god of prophecy and truth, Apollo had the epithets Manticus (/mntks/ MAN-ti-ks; , Mantikos, literally "prophetic"), Leschenorius (/lsknris/ LES-ki-NOHR-ee-s; , Leskhenorios, from , "converser"), and Loxias (/lksis/ LOK-see-s; , Loxias, from , "to say")." answer the question "Which epithet did Apollo have as god of prophecy and truth?" OPTIONS:
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A: yes

Does the sentence "William compared the journeys to royal progresses and was concerned that they portrayed Victoria as his rival rather than his heiress presumptive." provide a valid answer to the question "Why did the King dislike Victoria taking the trips?" OPTIONS:
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- no

A: yes

Does the sentence "Lower voltage lamps have a thicker filament, for the same power rating." provide a valid answer to the question "What is the effect of a thicker filament on bulb temperature?" OPTIONS:
- yes
- no

A:
no