Does the sentence "The Germans used Estonia's resources for their war effort; for the duration of the occupation Estonia was incorporated into the German province of Ostland." provide a valid answer to the question "What did Germany take from Estonia for their war strategy?"

A: yes

Does the sentence "This specific meaning shows the relationships of the surviving witnesses (the first known example of such a stemma, albeit with the name, dates from 1827)." provide a valid answer to the question "What is implied when two witnesses have a number of errors in common?"

A: no

Does the sentence "There are private, parochial, and charter schools as well, and approximately 3,300 minority students attend participating suburban schools through the Metropolitan Educational Opportunity Council." provide a valid answer to the question "How many students are in Boston Public schools?"

A: no

Does the sentence "A 2007 review of 13 studies found evidence for the efficacy of hypnosis in the reduction of chronic pain in some conditions, though the number of patients enrolled in the studies was low, bringing up issues of power to detect group differences, and most lacked credible controls for placebo and/or expectation." provide a valid answer to the question "What did the studies regarding the effectiveness of hypnosis lack?"

A:
yes