Anchor: We were alone in a corridor.
Entailed: There was nobody else with us in the hallway.
Contradiction: We stood in the crowded hallway. 
Contradiction: Head north on the interstate and you will find the street race.
Contradiction: The women are doing stuff together.
Contradiction: He spent the morning making smores and animal balloons. 
Contradiction: The basketball player blocks someone from the other team.