Anchor: A surfer is about to attempt a large wave, he is also wearing a life jacket for protection.
Entailed: A man surfs.
Contradiction: Orcas wear orchids.
Contradiction: A man sitting down.
Contradiction: A boat is on the water.
Contradiction: The units of measure remain the same for each category.
Contradiction: As I grew older I realised that I spent twice as much time with my sons than my daughter because they liked doing things that I already liked doing.