Determine the topic of the question-answer pair. Question: "who rules communism government?"; Answer: "It has a form of government characterized by single-party rule or dominant-party rule of a communist party (referred as Dictatorship of the Proletariat by its proponents) and a professed allegiance to a Leninist or MarxistLeninist ideology as the guiding principle of the state."? Topic:
Ans: Communist state

Determine the topic of the question-answer pair. Question: "how are the # of electrons in each shell determined?"; Answer: "Each shell can contain only a fixed number of electrons: The 1st shell can hold up to two electrons, the 2nd shell can hold up to eight electrons, the 3rd shell can hold up to 18, and 4th shell can hold up to 32 and so on."? Topic:
Ans: Electron shell

Determine the topic of the question-answer pair. Question: "what does barefoot and pregnant mean?"; Answer: ""Barefoot and pregnant" is a phrase most commonly associated with the controversial idea that women should not work outside the home and should have many children during their reproductive years."? Topic:
Ans: Barefoot and pregnant

Determine the topic of the question-answer pair. Question: "what are add ons?"; Answer: "Peripheral , an optional computer hardware component that significantly supplements or enhances the functionality of the original unit"? Topic:
Ans: Add-on