Please choose the correct solution to the question: How do I clean a car windshield?

Solution1: Spray the outside of the windshield and the windows with a degreasing detergent and water. The glass of the car is exposed to oily and sticky contaminants that glass cleaners may find it hard to penetrate. Rub the glass with a soft cloth. Wash your car and rinse it with clean water.

Solution2: Spray the outside of the windshield and the windows with a degreasing detergent and olive oil. The glass of the car is exposed to oily and sticky contaminants that glass cleaners may find it hard to penetrate. Rub the glass with a soft cloth. Wash your car and rinse it with clean water.

Answer format: solution1/solution2
Answer: solution1