Please choose the correct solution to the question: Clean a basketball hoop backboard.

Solution1: Set a ladder in front of the basketball hoop, and, pressure washer in hand, climb the ladder to the level of the backboard and pull the trigger on the handle of the pressure washer to spray water at the backboard until it is clean.

Solution2: Set a ladder in front of the basketball hoop, and, pressure washer in foot, climb the ladder to the level of the backboard and pull the connector on the end of the pressure washer to spray water at the backboard until it is clean.

Answer format: solution1/solution2
Answer: solution1