Instruction: Analyze a question and its supporting document. Predicting answerability based on the information provided in the document. Output yes if the document contains relevant information to answer the question, otherwise output no.

Input:
Question: looking for 21 inch sump opening cover but with only an opening and grommet for the power cord, no pipes. Are the pipe openings shown precut?
Document: My guess was that the hole into the foundation was the primary source of the radon. I installed the Radon Sump pump cover without any difficulty. Then I routed the pipes from the sump pump through the top cover using the supplied collars to seal the pipes against the cover. One gripe I had was that as I was installing the top cover onto the base cover, I discovered one of the threaded receptacles in the base cover was either stripped or never had any threads installed as the screw would not take.
After installing an electronic Radon monitor, which I purchased from Amazon, I was very concerned about levels in the living area of the home which read around 9!!! Several years ago, I cut a 12 inch round hole in the basement foundation to install a sump pump. We had three floods in the house, which had previously had no floods in the prior 20 years, so I felt I had no choice but to put in a sump pump.
Since then, the highest reading we have had was 3.3. Huge drop from the 9 we had before installing the cover. One additional criticism is the complete lack of instructions accompanying the cover. It's not rocket science to figure out, but it would be nice if they included instructions so you know you are installing it the way it was intended.
Answer: no