<human>: Objective: Keep fleas out of the house

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- If you have a flea infestation, you can spray rosemary spray around the areas that they are and it will repel the fleas.
- Using diatomaceous earth , sprinkle around the house but be sure to wear a mask. Don't inhale it. After a couple days you can vacuum it up.
<bot>: If you have a flea infestation, you can spray rosemary spray around the areas that they are and it will repel the fleas.