Problem: Determine the topic of the question-answer pair. Question: "what people used mayan numeral system?";  Answer: "Maya numerals are a vigesimal ( base - twenty ) numeral system used by the Pre-Columbian Maya civilization ."? Topic:

A: Maya numerals


Problem: Determine the topic of the question-answer pair. Question: "how much does a gold bar weigh?";  Answer: "The kilobar, which is to say 1000 grams in mass, is the bar that is more manageable and is used extensively for trading and investment."? Topic:

A: Gold bar


Problem: Determine the topic of the question-answer pair. Question: "what is vitamin a for?";  Answer: "Vitamin A has multiple functions, it is important for growth and development, for the maintenance of the immune system and good vision."? Topic:

A: Vitamin A


Problem: Determine the topic of the question-answer pair. Question: "who is shem in the bible?";  Answer: "He is most popularly regarded as the eldest son, though some traditions regard him as the second son."? Topic:

A:
Shem