Anchor: A snowboarder is on a snowy mountain doing an aerial trick.
Entailed: A snowboarder is on a mountain.
Contradiction: A person is mowing a yard.
Contradiction: H-2A workers pay double in unemployment and social security taxes.
Contradiction: Hotline worked understand where immigrant callers are coming from. 
Contradiction: The crowd is indoors.
Contradiction: Politicians get away with false advertisements of family happiness.