Problem: Does "77 percent of the richest families had a decrease in total wealth, while only 50 percent of those on the bottom of the pyramid suffered a decrease." answer the question "In a Federal Reserve survey of 4,000 households, what percent reported wealth decline between 2007 and 2009?"

A: no

Problem: Does "In nature, many organisms live in communities (e.g., biofilms) that may allow for increased supply of nutrients and protection from environmental stresses." answer the question "What can create a subsequent increase of nutrients in natural environment?"

A: yes

Problem: Does "In each of her realms she has a distinct title that follows a similar formula: Queen of Jamaica and her other realms and territories in Jamaica, Queen of Australia and her other realms and territories in Australia, etc." answer the question "What are the Channel Islands and the Isle of Mann?"

A:
no