Anchor: He thinks the water is so contaminated, he won' t take ice cubes in his drinks.
Entailed: He won' t take ice cubes in his drinks.
Contradiction: He will only have drinks that have ice cubes in them.
Contradiction: The company released a brand of shoes. 
Contradiction: There are men fishing.
Contradiction: There is no unused bandwidth available.
Contradiction: It is important that they are small, but only because it is a reflection of the fact that their native worlds are small.