Please choose the correct solution to the question: To make sure water condenses into the cup in the center.

Solution1: Place the cup in the black bucket in the center. Put seawater around it and sealing with plastic and rubber band. Place a small pebble on top of the plastic so it points downward.

Solution2: Place the cup in the black bucket in the center. Put seawater around it and sealing with plastic and rubber band. Place small pebbles around the plastic so it points downward.

Answer format: solution1/solution2
Answer: solution1