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 the spout on this water bottle the type that requires you to bite it before sucking, or can you just suck through it like a normal straw?
Document: I lived on Camelbacks for 4 years, but wore weary of the breakage. It would be the flip top straw typically. Also, I was thinking perhaps the constant &#34;bite and such&#34; motion was irritating my TMJ and potentially increasing my headaches?? Who knows, but all problems were solved when this bottle came along. Sturdy flip top straw (helps you drink more in a day- studies have shown) without the need to bite, just suck like a fountain soda.
I have the larger 25 oz. size and it is perfect for my needs. I typically have water with me in the car and not only does it hold enough water but it fits in my cup holder. The best feature of this is that it keeps my water cool even if it's been sitting in the sun or left in the hot car. Highly recommend this bottle. Love the flip straw-it's hard not a bite valve like my Camelbak.
I love, love, love this water bottle! I am a little picky, OK , a LOT picky when it comes to a water bottle. Once I received it, I had to put it to the test. I filled it with ice and let it sit. It still had ice after 36 hours at room temperature. Awesome. I love the flip straw that I don't have to bite on to drink out of:)  Works just like a regular straw.
I ordered this last year and even though it is banged up, I love it. Keeps liquids cold for a very long time. Bigger than most other water bottles I have including Klean. I like the straw feature of this bottle. After a year of heavy use, I did have to order replacement part for the spout. The silicone piece started cracking.
LOVE this water bottle! I own a few Klean Kanteens,which I also like, but was looking for a Stainless Steel bottle with flip straw. After much research I came across Eco Vessel and liked the fact that it is stainless steel and it has a silicon spout. The actual straw is made of plastic. I'm trying to eliminate as much plastic as possible and simply removed the straw. I now have to tilt the bottle to drink out of the spout, but that isn't a problem for me.
This is a fantastic water bottle that definitely keeps you water cold for hours! I prefer this water bottle over the Cambak because i feel like it is effortless to get the water out rather than having so suck more with the Camback. Would buy another one in a heart beat!
Love these bottles. Designed for straw drinkers like me, the integrated straw/flip top are awesome. Like that you can personalize a bit with the different colored silicone tips. Keeps ice and cold drink for a long time. I also own other similar type bottles, and these are superior.
It goes all the way to the bottom of the bottle.Third, The bite piece is a soft, rubberized material which is very comfortable in the  mouth.Fourth, the aluminum exterior doesn't sweat. It is also fairly indestructible.Lastly, when the straw is down, the seal on the bottle is excellent and doesn't leak.The perfect water bottle!
This is by far the best water bottle Ive owned! very durable, keeps my drinks hot or cold for hours. Love the spout, makes it very easy to drink from. I have dropped my bottle probably 50 times on hard surfaces like concrete and only have a few minor dents, great product
I've been purchasing stainless steel water bottles for several years now because I live in the desert, and in the summer they are a necessity! Up until now I've owned Thermos brand water bottles, but their straws are soft plastic and rip/tear very easily. I recently replaced my old water bottle with this one and LOVE it. The curvature in the bottle allows it to fit into my hand very nicely, and I really like the hard silicone spout.
Answer: yes