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: Is the silicone cover easy to remove for cleaning?
Document: I have ordered a few of these. They are so durable and I can fit ice in the opening if I would like. I carry them with me everywhere. I put them in the dishwasher. I have dropped them several times as well and never have they broken.
Answer: no