Anchor: He heard laughter behind him as he walked.
Entailed: Someone laughed behind his back.
Contradiction: It was silent as he walked away.
Contradiction: I stayed in my room during the day.
Contradiction: Perspex cages lining the walls, plastic screens and chemical cabinets everywhere -  it's all carved from chrome and polished glass; 
Contradiction: No winds were picked up as the morning came to rise.
Contradiction: Whoever that woman was, now, obviously, she was saved.