question: OPTIONS:
- yes
- no
However, some scholars contest the idea of a Proto-Euphratean language or one substrate language.
Who do some scholars think the Sumerian language originally belonged to?

answer: no

[Q]: Sentence: He is best known for his quote: "If a man does not investigate into the matter of Bushido daily, it will be difficult for him to die a brave and manly death. Question: When did Japan begin invading Korea? OPTIONS:
- yes
- no
++++++++++
[A]: no

Q: Does "By the 5th millennium BCE, the people who inhabited what is now called Nubia, were full participants in the "agricultural revolution", living a settled lifestyle with domesticated plants and animals." provide a valid answer to "During what era was the central Sudan rich in environment?"?
OPTIONS:
- yes
- no
A: no

Problem: Does "On March 10, 2004, Bush officially clinched the number of delegates needed to be nominated at the 2004 Republican National Convention in New York City." answer the question "When did Bush accept the Republican nomination?" OPTIONS:
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- no

A: no

Does the sentence "During World War I, representatives of the Czechs, Slovaks, Poles, Serbs, Croats, and Slovenes set up organizations in the Allied countries to gain sympathy and recognition." provide a valid answer to the question "When were independent states as Czechoslovakia, the Second Polish Republic, and the State of Slovenes, Croats and Serbs established?" OPTIONS:
- yes
- no

A: no

Does the sentence "The Hostellers of London were granted guild status in 1446 and in 1514 the guild became the Worshipful Company of Innholders." provide a valid answer to the question "When were the Hostellers of London were granted guild status?" OPTIONS:
- yes
- no

A:
yes