Anchor: The person is bicycling on the street at nighttime.
Entailed: The street has a bicyclist riding down it.
Contradiction: The biker is riding in full daylight.
Contradiction: The biker is on a stationary bike.
Contradiction: The girls are dancing at the parade together.
Contradiction: It's not likely for you to suffer from Grass-Is-Greener Syndrome.
Contradiction: How is that possible?