Anchor: Girl playing the trumpet in a marching band
Entailed: A girl has a trumpet.
Contradiction: A girl is playing the violin.
Contradiction: A couple is eating lunch
Contradiction: I have observed the change that now many women feel that they need to have a career and be a mom. 
Contradiction: Case studies are used because they give comprehensive data.
Contradiction: The Estoril Tennis Club is an excellent center along with the other ones.