Anchor: An adult watches a child somersault into the pool while another child looks on.
Entailed: There are people at the pool.
Contradiction: The people decided to stay home today.
Contradiction: All four guards are alive and well. 
Contradiction: Bunt and Betty are unforgettable. 
Contradiction: The error should be present in retesting even if the lab made the error.  
Contradiction: Other alternatives, one that might provide sufficient spectrum in the near future, elude the FCC.