Anchor: When you gather background or other data, ensure that they are from the best available source(s).
Entailed: Background data is best gathered from the best possible source.
Contradiction: Using bad sources is ok for collecting data.
Contradiction: Men who are equal are naturally cooperative. 
Contradiction: That can't be done lightly.
Contradiction: A woman wearing red shorts is holding onto the rocks beside the water.
Contradiction: They had to come to an agreement due to the burdens they faced.