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

Input:
Question: How are the lights powered?
Document: If you are looking for the &#34;wow factor&#34; for your custom cornhole boards, buy this product. The lights really get the people talking.
I made some boards for a fundraiser and installed a set of the lights I really believe they were bling the boards needed for a quick sell.
The lights were as advertised,  easy to place and attach to the back of our home madecorn hole board. Red was choses as the color to go with other parts of the theme of the board.That's what great about these lights....if you are making a board with a certain theme, the colorcan be choses. Works  great !! !
work great, love that they are battery operated, hated dragging out cords and lights to play, now just flip the switch and instant light, through the hole and all around the bottom of the board, if you have an open sided board, seem to be holding up just fine, played about 30+ games since ive had them and not one problem yet
PRO:Nicely lights up.Easy to installCON:I think I have a &#34;regulation&#34; sized hole and this slightly protruded. A little larger ring would be good.The small screw over the battery cover could be replaced with a tight latch or slip on cover without screw.The small screw will likely strip on repeated open/closings to change batteries I predict.CUSTOMER SERVICE:One of the rings had some LEDs out.
I ordered these lights after searching through 10 other websites trying to find a better price. Don't bother - theyre ALL $35-$42 with Shipping. However, these guys shipped quickly, in a nice box, and the assembly was simple and laid out with their nice instructions. The red lights I got shone bright enough for night games with the aid of 2 tiki torches. Yielded hours of night time corn hole bets and everyone was impressed.
Works really well, easy to install, does not take anything away from the hole (unless yours is not round)...works great, very bright!
Very cool effect for games in low light. The light is bright, even the red LEDs. Be careful not to screw the unit to tightly to the board, as doing so might break it. Didn't happen to me, but I can see it happening because it is plastic. Only thing I would change is the type of battery required. Get rid of the 9 volt.
This was very easy to install and works great!
These worked great. They were a gift for my husband and I was very glad to see they fit the cornhole boards perfectly (they are custom-made boards). My husband loved them.
Answer: no