[Q]: Sentence: Pubertal development also affects circulatory and respiratory systems as an adolescents' heart and lungs increase in both size and capacity. Question: How do a person's heart and lungs change during puberty?
++++++++++
[A]: yes

[Q]: Sentence: To avoid such injuries, and to receive a high performance score, proper technique must be used by the gymnast. Question: How do you avoid injuries?
++++++++++
[A]: yes

[Q]: Sentence: The Schnellweg (en: expressway) system, a number of Bundesstrae roads, forms a structure loosely resembling a large ring road together with A2 and A7. Question: What is a Schnellweg?
++++++++++
[A]:
yes