Anchor: Walking up to Howth lighthouse, it is difficult to believe that Dublin is just a few miles away until you see Dublin Bay spread out before you.
Entailed: Dublin is only a few miles away.
Contradiction: It is impossible to see Dublin Bay spread out before you.
Contradiction: A group of dogs is outside.
Contradiction: If I have ever have a child I am going to teach him different things. 
Contradiction: She rejected the tour she was offered by a tour guide. 
Contradiction: Bush's victory was not large enough to scare the other candidates.