Please choose the correct solution to the question: To clean a smoking pipe,

Solution1: run a pipe cleaner through the stem of the empty pipe, turn the pipe over and dump out the debris from the bowl, and then blow through the pipe to completely clear it out.

Solution2: run a pipe cleaner through the stem of the empty pipe, turn the pipe over and dump out the debris from the bowl, and then squirt soap through the pipe to completely clear it out.

Answer format: solution1/solution2
Answer: solution1