If you mix black and white,, you get gray., Water boils, if you heat it to 100oC, If people don't drink water,, they die, The ground gets wet, if it rains, If you touch a flame,, it burns, It gets dark, when the sun goes down, If students don't study,, they fail., When ice melts,, it turns into water, Press the red button, when the machine stops., If a baby cries,, it wants something

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