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: How can this fit a 18 month old and a 10 year old? Sizes please.
Document: I bought the "Rock'n Kittes" helmet for my 10 year old daughter. She love the design and the helmet is adjustable. She probably could use it for at least 3 years or more. I find the helmet well make but the ear pads are not removable.
I bought this for my son to ride with me on my Side-by-side. He is only 18 months old and too small for an ATV/Motorcycle type helmet. The bicycle helmets did not offer enough protection. This one was just right. It's light weight and offers a good bit of protection. Also, the part over the ears acts as hearing protection from the engine noise. He also wears it when riding his power wheels 4-wheeler.
The adjustable strap system hugs the heads of my 3 & 5 year olds. Great price. Good gear. Highly recommended
Helmet looks and fits great. Adjustable to fit my kid for several years. Only complaint is that it is not properly advertised. They do not mention that this is the 2009 model. New and in package. It was cheaper than current models advertised by a few dollars. Just would have like to have known the information so I could compare apples to apples.
Helmet fits my 6yo great and it's expandable enough to last several years. They should advertise that it's an old model, but for a product with a long life it didn't matter for us.
My daughter just love it. Got a little more room for her to grow into it. Cool design. Using it for snow and bike.
Answer: yes