Problem: Does "Other types of lossy compressors, such as the linear predictive coding (LPC) used with speech, are source-based coders." answer the question "What is the coding called that is used with speech?"

A: yes

Problem: Does "The strategy behind the formation of the Warsaw Pact was driven by the desire of the Soviet Union to dominate Central and Eastern Europe." answer the question "Which ideologies did the Soviet Union aspire to lead around the globe?"

A: no

Problem: Does "In 1937, the Empire of Japan started a full-scale invasion of China after invading Manchuria in 1931, beginning the Second Sino-Japanese War (often considered a theatre of World War II)." answer the question "When did Japan invade Manchuria?"

A:
yes