Q: Does "The Soviet rocket engineers were led by Sergei Korolev." provide a valid answer to "Who was in charge of the Soviet rocket engineer team that went into Germany?"?
A: yes

Q: Does "Hydrogen can react spontaneously and violently at room temperature with chlorine and fluorine to form the corresponding hydrogen halides, hydrogen chloride and hydrogen fluoride, which are also potentially dangerous acids." provide a valid answer to "What temperature does hydrogen react with these elements?"?
A: yes

Q: Does "The service is always connected, free, and includes multiplayer support." provide a valid answer to "Along with being free and providing constant connectivity, what other feature does PS Network offer users?"?
A: yes

Q: Does "The High Street opens from the quay, and under various names it winds in a gently sweeping line for one mile and a half, and is of very handsome width." provide a valid answer to "What town did Choules say had the only Main Street more beautiful than Southampton's?"?
A:
no