Problem: Determine the topic of the passage. "Robert William Gary Moore (4 April 1952 6 February 2011), was a Northern Irish musician, most widely recognised as a singer and guitarist." Topic:

A: Gary Moore

Problem: Determine the topic of the passage. "Computed tomography angiography (CTA) is a computed tomography technique used to visualize arterial and venous vessels throughout the body." Topic:

A: Computed tomography angiography

Problem: Determine the topic of the passage. "According to the Recent African Ancestry theory , modern humans evolved in Africa possibly from Homo heidelbergensis , Homo rhodesiensis or Homo antecessor and migrated out of the continent some 50,000 to 100,000 years ago, replacing local populations of Homo erectus, Homo denisova , Homo floresiensis and Homo neanderthalensis." Topic:

A: Human evolution

Problem: Determine the topic of the passage. "Economic analysis may be applied throughout society, as in business , finance , health care , and government, but also to such diverse subjects as crime, education , the family , law , politics , religion , social institutions , war, and science ." Topic:

A:
Economics