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: I used this on my alum. airstream trailer.--left a film on it that won`t wash off --do I have to do it over to get the film off??  it dryed to quick.
Document: I am restoring a 60's car and this stuff eats the multiple layers of spray paint, original paint, and primer that have accumulated throughout the years. And either leaves bare metal or easily sandable metal behind.
Truly awesome stuff.. made my hard job much easier. Would recommend this to anyone stripping paint from their aircraft. Super fast delivery. Thanks
Gr8 Product for removing paint on surfaces except for Aircraft ! Per directions on label. Nothing else works as well.
Gets the job done. You really need this stuff if you're stripping paint from your plane. Good quality and works fast.
Answer: no