QUES: Q: Do you have to go to the one year of kindergarten?
A: This is followed by three years of obligatory lower secondary school where the pupils are separated according to ability and aptitude.
Does the answer answer the question?

ANS: no

QUES: Q: What is a cause of death to birds during migration?
A: Migration carries high costs in predation and mortality, including from hunting by humans, and is driven primarily by availability of food.
Does the answer answer the question?

ANS: yes

QUES: Q: In what year did William IV adopt a purity law pertaining to beer?
A: In 1516, William IV, Duke of Bavaria, adopted the Reinheitsgebot (purity law), perhaps the oldest food-quality regulation still in use in the 21st century, according to which the only allowed ingredients of beer are water, hops and barley-malt.
Does the answer answer the question?

ANS: yes

QUES: Q: In what year was the Ecole Polytechnique founded?
A: The oldest German Institute of Technology is the Braunschweig University of Technology (founded in 1745 as "Collegium Carolinum").
Does the answer answer the question?

ANS:
no