Anchor: They may understand the politics of school choice or welfare reform, but tend to be far shakier on the substance.
Entailed: They have some understanding of school choice or welfare reform.
Contradiction: They have a firm understanding of school choice and welfare reform.
Contradiction: The dogs look extremely bored.
Contradiction: Some humans are walking near water.
Contradiction: The only water visible here is in a bathtub.
Contradiction: A tiny staff help to lower acid rain incidence by capping emissions.