Anchor: Without a placebo group, we still won't know if any of the treatments are better than nothing and therefore worth giving.
Entailed: It is necessary to use a controlled method to ensure the treatments are worthwhile.
Contradiction: The blue pill will turn people into atoms.
Contradiction: The Coalition is not thinking of developing a new peer review system.
Contradiction: Good Morning America is having a concert.
Contradiction: The guy wears a helmet while juggling balls.
Contradiction: Almost all political talk show journalists have to act like characters of themselves.