Anchor:  If you crave a change of environment, a day's outing to Formentera offers the bonus of a sea voyage.
Entailed: You can get a bonus sea voyage with a day's outing to Formentera.
Contradiction: If you wish to stay in the same environment, you can stay visit Formentera.
Contradiction: A biscuit browns in the oven.
Contradiction: A man is using tools to fix a computer.
Contradiction: A police officer is using a key to lock a prisoner in the cell.
Contradiction: The thing that you buy is lethal.