Problem: Does "The two volume biography of Whitehead by Victor Lowe is the most definitive presentation of the life of Whitehead." answer the question "Who authored Whitehead's biography that is considered to be the most reliable description of Whitehead's life?"

A: yes

Problem: Does "By the 19th century, Eastern Armenia had been conquered by the Russian Empire, while most of the western parts of the traditional Armenian homeland remained under Ottoman rule." answer the question "Who took over Eastern Armenia in the 19th century?"

A: yes

Problem: Does "Many lawsuits turn on the meaning of a federal statute or regulation, and judicial interpretations of such meaning carry legal force under the principle of stare decisis." answer the question "What gives Congress limited power to enact statutes?"

A:
no