Does "The OPC was quite unique; Frank Wisner, the head of the OPC, answered not to the CIA Director, but to the secretaries of defense, state, and the NSC, and the OPC's actions were a secret even from the head of the CIA." contain the correct answer to "Most CIA stations had how many chiefs?"

A: no

Does "Plants that grow in soils that are zinc-deficient are more susceptible to disease." contain the correct answer to "Growing plants in zinc deficient soil makes them more susceptible to what?"

A: yes

Does "Philadelphia International Airport provides scheduled domestic and international air service, while Northeast Philadelphia Airport serves general and corporate aviation." contain the correct answer to "What airline uses this airport as its primary international hub?"

A:
no