Anchor: He stared unbelievingly through the crystal shell.
Entailed: He couldn't believe what he saw through the crystal shell/
Contradiction: It was easy to believe what he was seeing. 
Contradiction: The girl sits at her desk at her elementary school, copying the letters into her notebook.
Contradiction: Archers did not shoot.
Contradiction: The performers are walking on a mountain.
Contradiction: I am sure if you have a constant pace you will get your heart rate going.