Please choose the correct solution to the question: Keep fleas out of the house

Solution1: If you have a flea infestation, you can spray rosemary spray around the areas that they are and it will repel the fleas.

Solution2: 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.

Answer format: solution1/solution2
Answer: solution1