[Q]: Would the following sentence, by the strictest standards, be considered correct? The stream winds through the valley.
++++++++++
[A]: acceptable

[Q]: Would the following sentence, by the strictest standards, be considered correct? It's not the case that every boy has any potatoes.
++++++++++
[A]: unacceptable

[Q]: Would the following sentence, by the strictest standards, be considered correct? Is Mary running the marathon?
++++++++++
[A]:
acceptable