Problem: Does "The whooping crane population by 1941 was estimated at about only 16 birds still in the wild." answer the question "What was the historical range of the whooping crane?"

A: no

Problem: Does "Nutritional status affects overall health status, work performance potential, and the overall potential for economic development (either in terms of human development or traditional western models) for any given group of people." answer the question "What affects overall health status?"

A: yes

Problem: Does "James Woodburn uses the categories "immediate return" hunter-gatherers for egalitarian and "delayed return" for nonegalitarian." answer the question "To what kind of group does the delayed return system belong?"

A:
yes