As a matter of fact, such partnership should eventually apply to every NAFTA country in order to have uniform environmental standards so that all industries and businesses are equally respectful of the environment, and provide for environmental impacts in their production costs, thus enabling them to sell their products at competitive prices while respecting the environment.

Choose your answer: based on the paragraph above can we conclude that "At least two countries are part of NAFTA."?

Select from:
 a). Yes.
 b). It's impossible to say.
 c). No.
I think the answer is