You are given a sentence and your task is to generate another sentence that supports the given input.
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Question: The heart becomes the first working organ in the human body, pumping by rhythmically opening and squeezing shut just 17 days after conception.

Answer: In humans, the heart is the first organ to form and become functional.

Question: Gross Alpha/Beta Particle Activity: The total radioactivity due to alpha or beta particle emissions as inferred from measurements on a dry sample.

Answer: Alpha emission is a type of radioactivity.

Question: B, Hyderabad, India) Fermat principle This java applet let you visualize "the path of a ray of light between two points is the path that minimizes the travel time" (known as Fermat principle).

Answer:
Fermat's principle states that light will always take the path of the least amount of time.