Anchor: They sank into it at once and began twinkling.
Entailed: They were not twinkling, and then they began to twinkle. 
Contradiction: As they went down into it, they stopped twinkling. 
Contradiction: A little girl sucking a lollipop
Contradiction: People are watching a concert.
Contradiction: Three men a working on a project for school.
Contradiction: People are outside.