Instruction: Evaluate the answerability of a question by analyzing the related document, outputting yes if the document contains information addressing the question, and no otherwise.

Input:
Question: I want to use this on my office chair.  Can I sit on the bumpy textured side or do I have to sit on the smoother side?
Document: I heard these help you sit better/guard against back pain and it does! This came fully inflated and ready to use and it went right onto the seat of my desk chair. Here today to get another one for my son.
I use these discs to sit on to help my back problems. They work great for this purpose. I bought 3.
I'm older and don't bounce. This is perfect for me. Probably too easy for athletes. I can use it barefoot on the higher nubs and still feel safe. I also put it on my chair when I'm doing computer work and it helps me shift and engage muscles so my back doesn't jurt. Use it in the car too! Again, it's great for me and I'm very happy with it.
I love it. works great. good material. came with a pump. works with building up the core, great to sit on...
I have a desk job. Most of my day is spent sitting in my chair. I love this product; it helps me keep my back straight and tighten my back and stomach muscles!
I bought this for myself, but my partner keeps snatching it. I wanted something to improve my posture while I sit at my home computer. I haven't attempted any exercises with it, just sitting. It's like sitting on a ball, you'll wobble if you don't balance perfectly. It's uncomfortable to slouch. Thus far, the muscles of my back running along the spine, especially in my lower back but all the way up to my neck, feel tired and a little sore, as though I've worked them.
My son loves the texture on both sides of the wiggle chair and is sitting still to do his homework. This was a great value.
I use my stability discs to do physical therapy exercises for my back and hip. They are very comfortable and the exercises are keeping me pain/ache free.
I use this at my standing desk. Way cheaper than a bosu ball. Adjustable pressure. Gives me some mobility and engagement. I'd prefer the same thing about twice the size maybe, but this works.
This a durable air cushion which I use with my clients during occupational therapy sessions. We use it for balance tasks, exercise, and as a sensory modulating tool for sitting. The cusion is easy to clean and I have ordered several of them. Great price, quality product!
Answer: no