Anchor: Two men walking behind firetruck carrying leaves.
Entailed: Two men are walking behind the firetruck.
Contradiction: The men are riding in the firetruck.
Contradiction: Statistic summaries didn't aid the project 
Contradiction: A man watching a couple of firetrucks while they work.
Contradiction: In Texas no one ever has barbecues. 
Contradiction: My occupation is not as a detective.