Anchor: Although the research to date supports the efficacy of these interventions, clinical trials are needed to confirm these findings and to set the stage for the next logical step of effectiveness studies.
Entailed: Clinical trials are needed to confirm findings of efficacy.
Contradiction: Research to date does not support efficacy of the interventions.
Contradiction: Requiring emissions to be reduced at specific sources reduces the overall level of pollution.
Contradiction: Two dogs are running on a beach.
Contradiction: The man is naked.
Contradiction: The woman hold a pitcher.