input question: Determine the topic of the passage. "Examples range from 640 to 850." Topic:???
output answer: List of muscles of the human body

input question: Determine the topic of the passage. "A story arc is an extended or continuing storyline in episodic storytelling media such as television , comic books , comic strips , boardgames , video games , and in some cases, films ." Topic:???
output answer: Story arc

input question: Determine the topic of the passage. "The company was founded by Sam Walton in 1962, incorporated on October 31, 1969, and publicly traded on the New York Stock Exchange in 1972." Topic:???
output answer: Walmart

input question: 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:???
output answer:
SI base unit