Anchor: 'It was going to be so simple,' I twitched, digging my fingers into the sofa.
Entailed: I dug my fingers into the sofa.
Contradiction: I twitched while digging my fingers in the ground.
Contradiction: It's best to stick to worms. 
Contradiction: There is a consturction worker outdoors.
Contradiction: A set date and meeting time was made.
Contradiction: Someone is cycling.