Anchor: a boy sprints across the sand.
Entailed: A boy is running.
Contradiction: A boy is running in the snow.
Contradiction: I think that people are doing enough time in jail for their crimes.  
Contradiction: We both believe that it is vital to spend time with our kids.
Contradiction: Five people eat chili peppers.
Contradiction: In the stream was a cold bathing place that Drew meant to take advantage of.