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 seat flat or does it slope inwards?
Document: This toilet seat literally installs in no time flat. The longest part of the process will be removing the old seat. Once done, drop the nylon screws into the holes, secure with an electric screw driver while holding the bolts underneath, snap the clips on.The seat itself is well made and looks fine.
Great seat! Comfortable and easy to install.
The seat pops off the back anchors when you lean to the side to wipe,
The seat is very sturdy and the installation was very easy...You can actually pop it off at any time for cleaning which is key!
Fits like a glove on an a American standard toilet. Best seat for the price.
This is a well made and comfortable toilet seat. We have bought one before this was a good deal and here very fast.
Better quality than excepted. Came missing the bolts and nuts. As soon as I have that, the seat can be installed.
Have had this only for a short time, but my husband said it was very easy to install, adn it cleans up easily. As happy as you can be with a toilet seat!
wrong size says 15in wide only 14.25 dont be fooled had to return kept sending same seat over and over
Very easy to put on and very well made. It is hard for me to find an elongated seat to fit perfect and this one did. A good purchase for me.
Answer: no