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: Is this a good bike for a boy who just turned 13?
Document: Is a good bike special for beginners, good product and nice color. But a little  difficult to built I spend like 5 hours
I rather have a walmart bike then this crap I mean I got it in black and a whole lot of scratches the bike is heavy as 50 bricks it just not a good bike
My kids love this bike.They are always jumping, trying to make tricks, falling on the ground ( of course ) and the bike still like new.Good quality parts, it is a tough bike.
It you can't design good instructions; how good can the bike be designed? I have twins and was going to buy this and AM or Viper. Not now I don't have  5 extra hours of time for assembly. Pass.
Great Bike and arrived early but was missing pieces and cracked chain guard. So my son ride with only back breaks which is ok. burt when you buy something it is nice to have all parts and in good working condition.
Besides that, you're on your own.Also, the pastic chain gard was bashed to pieces in the delivery box. However, the actual hardware of this bike seems good, and at $150 is it a fine deal, which is why I give it 5 stars.
I purchased this bike for my child as I believed that Diamondback would make a good product. The bike was relatively inexpensive, so my expectations were not high, and yet it still failed to meet them... The bike simply weighs a ton! I would not recommend this bike at all.
This is a great, sturdy bike! My son got it for Christmas and has loved riding. This is the second diamondback we have bought for him.
my nephew loves it he rides it a lot and he says it is a great bike he will be more than happy to buy the same type of subject here from now on thank you
My son loves this bike so much and we were able to make an informed decision and pay a great price, thank you
Answer: yes