Anchor: If you walk in summer, early morning or late afternoon is best.
Entailed: Walking in the early morning or late afternoon is best in the summer. 
Contradiction: You should walk in mid afternoon and evening during the summer. 
Contradiction: A man is watching TV.
Contradiction: A bald man and pigeons are together.
Contradiction: A man drinks a Chardonnay while roasting marshmallows.
Contradiction: A man is walking with a cane.