Please choose the correct solution to the question: How to keep pollen off of pets.

Solution1: If you're an allergy sufferer, take special care to prevent your pets from tracking in dust and pollen. Long hair traps more pollen, so keep dogs' coats short if possible, and clean their lower intestines with damp paper towels or pet-safe wipes. When you vacuum, make sure to use a HEPA filter, which ensures you're not releasing allergens back into the air.

Solution2: If you're an allergy sufferer, take special care to prevent your pets from tracking in dust and pollen. Long hair traps more pollen, so keep dogs' coats short if possible, and clean their feet with damp paper towels or pet-safe wipes. When you vacuum, make sure to use a HEPA filter, which ensures you're not releasing allergens back into the air.

Answer format: solution1/solution2
Answer: solution2