Generate a sentence that answers this question: "A person wants to play with a beach ball at the beach so they fill it with".

Answer: a beach ball contains gas

Generate a sentence that answers this question: "Human astronauts have visited".

Answer: the moon is the celestial object that is closest to the Earth

Generate a sentence that answers this question: "Soil quality is improved when".

Answer:
decomposition increases the amount of nutrients in the soil