Please choose the correct solution to the question: To wash the rubber rings made from the bike inner tube.

Solution1: Toss the rubber rings into a bowl with soapy water and wash using hands. Pour out the dirty soapy water and rinse with clean water.

Solution2: Toss the rubber rings into a bowl with clean water and wash using hands. Pour out the clean   water and rinse with soapy water.

Answer format: solution1/solution2
Answer: solution1