Anchor: September found us all in London. 
Entailed: We were all in London in September.
Contradiction: None of us were in London over September.
Contradiction: The girl is using the railing as a balancing beam, practicing for gymnastics.
Contradiction: The boy is playing t-ball.
Contradiction: Early humans were not found in the Niah caves.
Contradiction: It has a dark and somber tone.