Anchor: A choir, the members dressed in white tops and black pants and holding their music, are singing in front of a building.
Entailed: A matching choir is singing in front of a building.
Contradiction: An all naked choir is singing in front of a building.
Contradiction: They did not need to pack food since the town was ten minutes away. 
Contradiction: A woman is outside.
Contradiction: A group of people in swimwear are swimming against dangerous waves.
Contradiction: A human is holding an object.