Anchor: A group of mountain climbers treks in snowy terrain.
Entailed: A group of climbers treks in snowy terrain.
Contradiction: A group of climbers sleep in hot desert.
Contradiction: Istanbul had possessed mosques since the 12th century.
Contradiction: The technician works up the data from the experiment
Contradiction: Lewisville has not had a single crime in two years.
Contradiction: The valleys were a safe territory for prehistoric hunter-gatherers.