Anchor: Today, you can throw it on the screen and no one even notices.
Entailed: These days, no one will notice if you throw it on the screen.
Contradiction: Today, if you throw that on the screen everybody would immediately notice. 
Contradiction: When you have kids, you never see them.
Contradiction: Guys on bikes are riding downhill outside on a race course.
Contradiction: two dogs run in a park
Contradiction: It takes six hours.