Anchor: Six musicians- four violinists, a cellist, and a drummer, play on stage for an audience.
Entailed: The musicians are in a band.
Contradiction: The musicians are eating lunch.
Contradiction: How asemmetrycal. 
Contradiction: Her five-year-old daughter started crying and saying that she wanted her daddy.
Contradiction: The SEC received zero comments about the proposed rulemaking.
Contradiction: A person in a blue top unwrapping a present of a green hat.