Does "The Chassepot rifle proved its worth against the Dreyse rifle, with French riflemen regularly outdistancing their Prussian counterparts in the skirmishing around Saarbrucken." contain the correct answer to "What proved its worth against the Dreyse rifle?"

A: yes

Does "Each Department is headed by a Provincial Minister (Politician) and a Provincial Secretary (A civil servant of usually BPS-20 or BPS-21)." contain the correct answer to "Who heads each government department?"

A: yes

Does "For some time, computers were commonly equipped with IrDA interfaces, which allowed them to send and receive data to nearby machines via infrared." contain the correct answer to "How are LEDs used in theaters?"

A:
no