Anchor: There is considerable uncertainty as to whether the 26 studies on the value of a statistical life provide adequate estimates of the value of a statistical life saved by air pollution reduction.
Entailed: 26 studies concern the value of a statistical life and its estimates of that value saved by air pollution reduction.
Contradiction: There is no uncertainty as to whether the 26 studies on the value of a statistical life provide adequate estimates of the value of a statistical life saved by air pollution reduction.
Contradiction: The dog is walking in the snow.
Contradiction: People are preparing food outside.
Contradiction: They tried to start off again but were unable to do so.
Contradiction: If courage had taken him there, it would probably take him a long way.