Anchor: A little boy and a little girl are playing with pebbles on the beach.
Entailed: There are children at the beach.
Contradiction: The children are playing with pebbles on the couch at home
Contradiction: Professor Cleveland has yet to be given recognition for his contributions. 
Contradiction: A man is cultivating rice.
Contradiction: The monks pray at 6 pm on Sundays in total silence.
Contradiction: the dog on the leash is in snow