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: do you need an extra valve for this install?
Document: I placed this faucet in a powder room and it looks like a million dollar bath. My friends are mesmorized by the beauty. I set up a vessel and the faucet. It is simply beautiful.
Answer: no