Anchor: um well well some history books are pretty scary but yeah
Entailed: Some history books tend to be very scary.
Contradiction: History books aren't scary at all, they're boring.
Contradiction: Tuppence turned to Whittington.
Contradiction: A child is sitting on a chair on the sidewalk.
Contradiction: The group of friends are on the helicopter in the air.
Contradiction: Some members of federally sponsored organizations expressed the concern of members' potentially sensitive information.