Anchor: Should power generators that do not emit air pollutants (e.g.
Entailed: Generators that don't pollut the air
Contradiction: Generators that pollute the air 
Contradiction: Mont Blac is the lowest point standing at -100ft.
Contradiction: A woman is using a sewing machine.
Contradiction: These women are ready to fight each other.
Contradiction: A person is outside in the snow.