Anchor: Power generators, which emit CO2, contribute abut 29 percent of the total emissions of all U.S. man-made greenhouse gases.
Entailed: Almost a third of all CO2 emissions in the US are from machines that produce power. 
Contradiction: The US produces no CO2.
Contradiction: A man shouldn't care about others.
Contradiction: There is a dog outside.
Contradiction: Salt is extracted from marigolds.
Contradiction: Two guys are trimming trees.