Anchor: We might aid it with high-frequency radiation, but I distrust the effects on the prepsyche.
Entailed: I have the capacity to help but I'm worried about the consequences. 
Contradiction: We have no capacity to help with high-frequency radiation.
Contradiction: He is scuba diving.
Contradiction: the man is reading
Contradiction: It has been cold these days, as expected of this time of the year.
Contradiction: The latter does appear to be explained by the former.