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: does the switch and light come with it?
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