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 size appropriate for a 7 year old boy?
Document: I purchased this binocular for my 85 year old mother-in-law so she could better see the birds outside of her apartment window. Their lighter weight and smaller size are perfect for her and she was so delighted to receive them, along with a book describing every known bird in North America! I taught her how to use them, and in the process, made me wish I had a pair myself. Hmmm!!!!!????!!!!! !
I bought the Olympus Tracker 10x25 Porro Prism Compact & Lightweight Binocular, had fast Amazon shipping and a very good price.I admit that I am not an expert on binoculars and this item is replacing a very old 7x35 set I've had forever. I bought these basically on the reviews posted here.However, now that I have them my wife and I are amazed at how clear and bright the images are, focusing is a snap.
I got these as a gift. They are so awesome I bought one for my boy friend who goes to many concerts. Now we don't have to share them. shipped fast.
I ordered these binos to replace my old pair that I accidentally dropped. I was looking for something a little stronger in power and great for backyard birding. I first purchased a pair of Bushnell 8x40 Birding Binos. I was very pleased with the quality and sturdiness of them. The only problem is that they were comparatively big and heavy. I weighed my old, broken pair and they were about 16 oz. The Bushnell set was wider, longer and weighed about 26 oz.
Tried the Pentax and Nikon of the same size and like this one much better. Very happy with them.
What I  wanted was a stronger pair of binocular but in the small size that I purchased, other wise they were fine
These compact binoculars are great! They are lightweight and adjustable and so clear. Better than some full size binoculars I have.
These glasses are a nice compact size and have good power. They will be great for concerts and traveling due to the convenient size.
These are very good quality with good magnification. We like the size since we don't like to lug bulky things along with us.
It is small and light size, easy to carry. I use to see the shows and I set far from the stage seeing clear.
Answer: yes