question: What sentence would provide a factual answer to this question: "braille is read by using your fingers to"

answer: the shape of an object can be discovered through feeling that object

question: What sentence would provide a factual answer to this question: "The moon reflects sunlight to arrive at"

answer: the moon reflects sunlight towards the Earth

question: What sentence would provide a factual answer to this question: "Which would most rely on a coal-fire power station?"

answer:
coal is used to produce electricity by burning in coal-fire power stations