Problem: Does "Greece, an Orthodox nation, had considerable support in Russia, but the Russian government decided it was too dangerous to help Greece expand its holdings.:3240" answer the question "When Russia attacked the Ottoman Empire who glimpsed an opportunity to advance North and South?"

A: no

Problem: Does "Some bird species have no nests; the cliff-nesting common guillemot lays its eggs on bare rock, and male emperor penguins keep eggs between their body and feet." answer the question "What type of birds lay its eggs on bare rock?"

A: yes

Problem: Does "In addition to military efforts abroad, in the aftermath of 9/11 the Bush Administration increased domestic efforts to prevent future attacks." answer the question "What did the DHS focus on?"

A:
yes