Question:
Choose your answer: Is "Four years later, John Hunyadi prepared another army (of Hungarian and Wallachian forces) to attack the Turks but was again defeated by Murad II at the Second Battle of Kosovo in 1448." a good answer to the question "In what battle did Murad II leave as the victory in 1448?"
Answer:
yes

Question:
Choose your answer: Is "In the initial period of 19871989, this was partially for more economic independence, but as the Soviet Union weakened and it became increasingly obvious that nothing short of full independence would do, Estonia began a course towards self-determination." a good answer to the question "What institution did Western countries refuse to recognize?"
Answer:
no

Question:
Choose your answer: Is "By the 1950s, mortality had decreased nearly 90%." a good answer to the question "About how much had the death rate from TB been reduced in Europe by the midpoint of the 20th century?"
Answer:
yes