Anchor: He tried to make his words casual.
Entailed: He attempted to make his words casual.
Contradiction: He attempted to make his words nervous and stupid.
Contradiction: There are many responsibilities, but none that are really important. 
Contradiction: A child is by the sea.
Contradiction: The iron and steelworkers union has less than 15,000 members.
Contradiction: There are several things that come to mind that I wish I did differently with the kids.