Generate a sentence that answers this question: "I left a statue outside away from water for 100 years, when I come back it is significantly smaller, why?".

Answer: wind causes erosion

Generate a sentence that answers this question: "If a bird is green, another bird can realize that by".

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

Generate a sentence that answers this question: "An animal can use what to help find a partner".

Answer:
coloration is used to find a mate by some animals