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: What does W/H mean in the description: SUBURBAN MFG CO 5058A SW6DE W/H 6 GAL DSI/ELEC? W/H = Water Heater or something else?
Document: I was hoping to install a larger unit but with the plumbing setup I could only replace the original 6 gal. unit.So far we are very happy with the unit
Answer: no