Instruction: Output yes if the supporting document can answer the given question. Otherwise, output no.

Input:
Question: which back pack is this? there are two differnt ones pictured. is it the one with the dakine writen on the top?
Document: Very pleased with the Dakine Heli Pack. Awesome for skiing! I will absolutely buy another  one for my family members.
There is a top pocket that is outlined in fleece so you can put your goggles or anything that you dont want scratched in there. For school I use this pack aswell because not only do I get compliments on it almost everyday but the storage amount is incredible. If you are looking for a snowboarding or skating back pack I high suggest this pack it is so perfect!
When I first discovered this pack I was filled with excitement. I knew that I had to order it and especially in the &#34;Black and White&#34; model. I snowboard all the time and my current jacket is also a black and white one so the pack looks amazing! The Dakine Heli Pro 11 liter pack is amazing in everyway. It is so small yet so big. You literally do not even realize that it is on you.
I can fit one of the Roll-up organizers listed below for all of my small pieces of equipment and three of the half-tubes for my larger first-aid things (One for bleeding and two for cravats).
Nice and versatile. Durable. Sleek. Sexy. Awesome. These are just a few adjectives i can think of to describe this righteous looking back pack. So many buckles, buckles hidden inside zipper pouches. Awesome design and plenty of colors to choose from.
The pack is also very low profile so I do not feel like I am sitting on the edge of the lift when I ski. I measured and it is only 4 inches off of my back, from me to the furthest point of the backpack.The inside is quite spacious, surprisingly. With this pouch being only 11L, I thought it would've been a bit small to fit all of my first-aid gear for patrol. Boy was I wrong!
I was very excited to use this pack for my Ski Patrol training course. I got my backpack and the ski carry was broken! I wasn't pleased. I returned it and bought it from another website. (AMAZON 2/5 STARS)The pack itself is wonderful! The shoulder straps are comfortable when I ski and the two additional straps (chest and waist) help keep it very secure without feeling restrictive. There is enough movement to not feel restrained at all, but not enough to throw my balance off.
As I pack up my ski gear for the year I can say that this was one of the best purchases I made this year.
I had a collapsable shovel in my car that I tested it out with and it really would keep the shovel secure. I personally don't ski with one, but it has the capability. The main section on the outside is also nice. When I am done for the day, I roll up my jacket and strap it down in there. Keeps it really secure, but also still accessible.This pack has the capability to carry skis and poles, or carry a snowboard vertical.
Ya never know!Also Dakine's quality is awesome, affordable, and they tend to have creative color scheme's. The waist belt is fixed, and the sternum strap has a rescue whistle buckle which I think is a nice touch, that every pack these days should have. The "insulated hydration sleeve" is a cool feature too specific to the 11L, not the 20L. Just an FYI.Definitely buy one of these, or better yet buy 2, or 3...
Answer: yes