Anchor: The most extensive study and analyses has been based on data from two prospective cohort groups, often referred to as the Harvard Six-City study (Dockery et al.
Entailed: Two prospective cohort groups have been the basis for most study.
Contradiction: The Harvard Six-City study is very minor and did not receive much analysis.
Contradiction: the people are in the bathroom
Contradiction: The Post and ABC have said that they obtained copies of the original TP
Contradiction: Payment systems are just where they should be
Contradiction: A dog is near dirty water.