Instruction: Given a question and its related document, determine if the question is answerable by analyzing the information in the document. Output yes if the document addresses the question, or no otherwise.

Input:
Question: is this a authentic NINJA 3000k psi tank
Document: Awesome little tank perfect for markers that willbe firing less than 100 rounds a game. Perfect for my pump as well as my semi-auto mag-fed. You can fill it while its still connected to the marker and air is cheap enough that the size doesn't matter one bit!
Answer: no