Anchor: Carl Soderstrom wondered whether alcohol problems referred to the spectrum of drinking problems or the medical problems associated with drinking.
Entailed: Carl had some questions about the terminology. 
Contradiction: Carl was very proud of the article he wrote about drug addiction. 
Contradiction: The man stands in silence.
Contradiction: John had abruptly agreed with the other participant of the dialogue.
Contradiction: The ball is blue.
Contradiction: It would pick up some loose acorns from the ground.