Read the following premise and answer if the hypothesis is true.
How to remove varnish<br>Create good ventilation. Whether your sanding or using a chemical solvent, it's a good idea to have ventilation. Open windows and use fans to create cross-ventilation if you're inside.
Hypothesis: It is not a good idea to use ventilation while sanding.. Is the answer "Yes", "No", or "It's impossible to say"? Respond with only the answer and no additional text.
No
No.