Anchor: For example, one organization determined that more formal agreements were needed when its membership was significantly expanded.
Entailed: The organization's membership had grown significantly in recent times.
Contradiction: Membership has been declining for some time now.
Contradiction: Conservatives thought the story was indeed true. 
Contradiction: The founder of the mission chain was Father Junipero Serra.
Contradiction: Someone is watching while their child is swinging on a swing outside.
Contradiction: A dog out in the snow.