Anchor: The Air Force estimated that in late 2001, when the F-22 entered limited production, it should have been able to demonstrate almost 2 flying hours between maintenance actions.
Entailed: The Air Force initially estimated that there would be 2 flying hours.
Contradiction: The F-22 entered mass production in late 2001.
Contradiction: Nobody will know, not today, not tomorrow, not ever. 
Contradiction: The dogs played together outside.
Contradiction: The Team Child Project is solely for youth leaving the juvenile justice system.
Contradiction: A group of people laughing and talking indoors.