Anchor: But the chief trouble was that he couldn't secure working batteries.
Entailed: But the biggest problem was that he couldn't get working batteries.
Contradiction: He had the working batteries, and was ready to go.
Contradiction: The girl jumps on a gym mat.
Contradiction: I went to the Texas stadium and found it phenomenal.
Contradiction: The commission said it rejected the alternatives because they increased the ability of hearing-impaired people to gain access to phones in emergencies.
Contradiction: The sun is shining.