Anchor: Necklaces of crystal or colored beads are popular for children, the antique glass beads collectibles for adults.
Entailed: Children typically wear crystal beads while adults wear glass beads.
Contradiction: Children wear glass beads because crystal is not that popular with them.
Contradiction: None of the agency representatives indicated that the system overload problem could be solved by developing information retrieval systems
Contradiction: It looks like a person crashed in the snow.
Contradiction: Three doctors decided to work for free, on a wealthy American patient.
Contradiction: It is shiny silver or something.