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

Input:
Question: Can adults use this ??
Document: Creaks, bends, evey component and moving part has slack and sloppy movement. The frame is decent, but entire build is from sub standard parts with poor fit. Even for fun with a child you'll be dissappointed. You'd be better off buying an old Schwinn Twinn off craigslist. After 5 rides, you'll find youself trying to tighten things to their breaking point just to get something to feel solid.
Answer: no