Read the text and determine if the sentence is true (see options at the end):

How to use turtle wax<br>Wash your car before you wax it. Clean your car as thoroughly as you can on the outside. Use all the basic cleaners, such as soap and water for the body and window cleaner for your windows.

Sentence: Don't wax a dirty car.
Pick your answer from:
 + Yes;
 + It's impossible to say;
 + No;