Anchor: A bus filled with passengers in Chicago at night.
Entailed: The people are out at night.
Contradiction: The people are on a bus at day.
Contradiction: She was excited to get out of her bed at night. 
Contradiction: It is not currently known what roles duration and level of PM exposure play in relation to each other in premature death.
Contradiction: A couple people sitting on a bench.
Contradiction: A woman has a bag.