Anchor: Gentilello remarked that the attitudes of reviewers for surgical journals vary considerably.
Entailed: It was noted that the reviewers attitudes varied considerably.
Contradiction: Gentilello did not remark about anything.
Contradiction: Two girls are talking
Contradiction: A person fishing.
Contradiction: We don't have a TV, so we can't watch any channels.
Contradiction: The official season for climbing begins at the start of July and finishes at the end of August.