Anchor: Assessment of deaths attributable to air  should we use risk estimates based on time series or on cohort studies?
Entailed: Assessment of the deaths from poor air quality.
Contradiction: Assessment of the deaths from good air quality.
Contradiction: A traditional nuclear family.
Contradiction: A document that was published by the Congressional Research Service to describe how needy families are assisted.
Contradiction: A person who lost his leg is sitting at home reading a book.
Contradiction: Abraham was able to have a peaceful retirement.