Anchor: A hiker looks towards a snow top on a mountain.
Entailed: There is snow on the mountain.
Contradiction: The landscape is flat.
Contradiction: I stated confidently, "I will be exceedingly unkind to Cynthia."
Contradiction: There is a copy of the different acts.
Contradiction: They are lettings us roam freely. 
Contradiction: There were almost a hundred warlocks outside.