Anchor: A man wearing athletic biking clothing and a helmet is riding his bike down a ramp made of wooden boards.
Entailed: The man is riding his bike on a ramp.
Contradiction: The man is wearing a dress.
Contradiction: men are skydiving nude
Contradiction: Even for large corporations like AT&T, going into the local market can be too expensive.  
Contradiction: No one brought it.
Contradiction: The girl with the flowers is happy