Generate a sentence that answers this question: "Sunlight is a source of light from what?".

Answer: when the season changes , the amount of daylight will change

Generate a sentence that answers this question: "If a person is blind and needs to know the color of a sign, they".

Answer: the color of an object can be discovered by looking at that object

Generate a sentence that answers this question: "Sand dunes are made of".

Answer:
sand dunes are made of sand