Anchor: Visitors usually confine their travels to the four main islands ' Oahu, Maui, Kauai, and the Big Island of Hawaii.
Entailed: People generally keep their travels to the four main islands of Hawaii.
Contradiction: People never go to the four main islands of Hawaii when they travel there.
Contradiction: He waited until they fell silent, then walked away.
Contradiction: The woman is outside
Contradiction: Al Gore, Chemical Sister. 
Contradiction: three dogs together