Anchor: The bicyclists approached the left turn in a pack during the race.
Entailed: Bicyclists are racing.
Contradiction: The race cars approach the left turn.
Contradiction: A person sunbathes near buildings with signs.
Contradiction: Australia and Canada make sure their program managers are accountable. 
Contradiction: Management needs to make sure that there are no means of communicating with external stakeholders.
Contradiction: A man is outside, smoking.