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

How to clean carpet stains<br>Remove as much dirt, debris or liquid from the carpet as possible. Before applying any stain remover, clean up any solid material that is over the stain. This prevents you from pressing any dirt further into the carpet fibers.

Sentence: This method works on all carpet stains.
Choose from:
 (a). Yes
 (b). It's impossible to say
 (c). No