Anchor: He/she didn't seem to notice.
Entailed: He didn't pay attention to it.
Contradiction: He noticed it right away
Contradiction: There are no records of the defeat of any referendums in British Parliament the 19th century. 
Contradiction: We have identified and made use of a variety of tools and flexibilities,
Contradiction: Grandfather let him off punishment so he could go to the circus.
Contradiction: A girl is sitting in an art museum thinking.