Anchor:  He began trying to plan a model with three thousand stars in their orbits, trying to find some simple way of moving them.
Entailed: He began attempting to build a model with thousands of stars in their orbits.
Contradiction: He started attempting to plan a model with no stars at all.
Contradiction: Some kids are playing in the street in front of the shops.
Contradiction: There are at least two Dublin tourism offices.
Contradiction: Robots now dominate all summer events.
Contradiction: The entrance to the cave is low.