Anchor: Are you sure they are friendly?
Entailed: Do you know if they are friendly?
Contradiction: I know they are super friendly.
Contradiction: There is no organization to the advertising industry.
Contradiction: The Science of Magic hurts.
Contradiction: Generators that pollute the air 
Contradiction: Jaipur has earned the name "pink city" because of the color of its sandstone, although you will see that it changes color with the season and time of day.