input: Please answer the following: Determine the topic of the passage. "A surveyor's wheel, also called a clickwheel, hodometer, waywiser, trundle wheel , measuring wheel, or perambulator is a device for measuring distance." Topic:
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output: Surveyor's wheel

input: Please answer the following: Determine the topic of the passage. "In 2012, there were 88 states in total (60 sovereign states and 28 non-sovereign states)." Topic:
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output: List of countries where English is an official language

input: Please answer the following: Determine the topic of the passage. "The seven SI base units and the interdependency of their definitions: for example, to extract the definition of the metre from the speed of light , the definition of the second must be known while the ampere and candela are both dependent on the definition of energy which in turn is defined in terms of length , mass and time ." Topic:
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output: SI base unit

input: Please answer the following: Determine the topic of the passage. "A California domestic partnership is a legal relationship available to same-sex couples, and to certain opposite-sex couples in which at least one party is at least 18 years of age." Topic:
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output:
Domestic partnership in California