The correct answer is the following.
We would know that it is an astroturf organization because Media agencies and Public Relation Agencies would do the job of making citizens are participating. They also would use propaganda to create messages.
We are referring to the issue shown in the video clip "Toxic Sludge is Good For You." In the video, we see how liberal democracies governments have the possibility to shape public opinion regarding important political decisions that affect society.
Astroturf organizations or Astroturfing is when an organization hides the real person or sponsor behind the organization, in order to show to the public that real people are the ones that originated the organization and it looks for the people's concerns. Showing this facade helps the organization build credibility.