Anchor: A group of people are at a rock concert.
Entailed: A group of people are listening to music.
Contradiction: A group of people are swimming,
Contradiction: In ancient Egyptian times a huge chain could be slung between here and the Sphinx.
Contradiction: A dog stands in the kitchen looking at the bags
Contradiction: What about the boy?
Contradiction: There are statues of Greek muses and goddesses inside the temple.