Generate a sentence that answers this question: "Precipitation is the amount of".

Answer: rainfall is the amount of rain an area receives

Generate a sentence that answers this question: "a little rat startles a cat and ends up as the cat's lunch. What does that make the car?".

Answer: if an animal eats another animal then that animal is a carnivore or omnivore or predator

Generate a sentence that answers this question: "Retinas can have light fall on them when".

Answer:
when light enters the eye through the pupil , that light falls on the retina