Please choose the correct solution to the question: how to clean a garage floor

Solution1: Remove any moss or roots that have grown on exterior concrete. Spray the concrete. Cover the floor with a dusting of cleaner. Scrub the floor.    Rinse the concrete with clean water.

Solution2: Remove any moss or roots that have grown on exterior concrete. Spray the concrete. Cover the floor with a dusting of cleaner. Scrub the refrigerator    Rinse the concrete with clean water.

Answer format: solution1/solution2
Answer: solution1