[Q]: Sentence: Unlike most traction elevators, the elevator car and counterweight are joined using a rail system in a continuous loop running through both the top and the bottom of the drop shaft. Question: What is the main feature of this attraction?
++++++++++
[A]: no

[Q]: Sentence: Other important industries are financial services, especially mutual funds and insurance. Question: Mutual funds and insurance are what type of industry?
++++++++++
[A]: yes

[Q]: Sentence: Dowding's opponents in the Air Ministry, already critical of his handling of the day battle (see Battle of Britain Day and the Big Wing controversy), were ready to use these failings as a cudgel with which to attack him and his abilities. Question: The Air Ministry was critical of Dowding after which battle?
++++++++++
[A]:
yes