Anchor: A man is on top of a yellow billboard while another man is underneath it.
Entailed: Two men are outside.
Contradiction: The aliens have crashed and are trying to read a billboard.
Contradiction: There were mixed letters published in the May 23rd issue of Science but most believed the finding undermined Chomskyan linguistics.
Contradiction: Two dogs are by the water.
Contradiction: Oil prices went down after the blast of cold weather hit the northeast this month.
Contradiction: Stumbling horizontally?