Problem: Does "Officially established in 1792 as both county seat and state capital, the city was named after Sir Walter Raleigh, sponsor of Roanoke, the "lost colony" on Roanoke Island." answer the question "What was the state capital of North Carolina in 1722?"

A: no

Problem: Does "Not religious himself, he insisted that Darwin's conclusions lacked empirical foundation." answer the question "What did Virchow feel Darwin's conclusions lacked?"

A: yes

Problem: Does "One cost of nocturnal migration is the loss of sleep." answer the question "What is a cost of nocturnal migration?"

A:
yes