Anchor: There is zinc gum, zinc spray, even zinc lollipops.
Entailed: Zinc comes in many varieties. 
Contradiction: Zinc only comes in a liquid form. 
Contradiction: A person with a hairnet is sitting on a chair
Contradiction: They were greeted by his back and an uncomfortable silence.
Contradiction: The birds aren't interested in the crates.
Contradiction: A man wearing a black shirt is rockclimbing.