Anchor: A young girl practicing gymnastics on a balance beam.
Entailed: The girl is on the balance beam.
Contradiction: The girl is riding her bike.
Contradiction: The kids are riding their bikes.
Contradiction: I was told all about you by my wife, he said. 
Contradiction: The committee warned the LSC not to simplify.
Contradiction: There is a music entity called the South Indian system, which uses holes to represent musical scales.