Anchor: Two college students in white t-shirts sitting and playing Nintendo.
Entailed: There are two college students playing Nintendo.
Contradiction: There are two college students playing Nintendo far away from each other.
Contradiction: The Gothic cathedral was constructed starting in the early 15th century.
Contradiction: The captain is yelling!
Contradiction: A brown dog runs through lava.
Contradiction: Should they sell suntan lotion already?