Anchor: Brief physician advice for problem  a randomized controlled trial in community based primary care practices.
Entailed: Randomized controlled trials can be used to formulate advice for physicians.
Contradiction: Randomized trials cannot be conducted in community based primary care practices.
Contradiction: Agencies have totally resisted using advances in technology.
Contradiction: She didn't say it was too cold. 
Contradiction: Why is? No? Let's not see.
Contradiction: women looking at mascot