Anchor: Modern archaeology suggests that this Indus Valley civilization was destroyed not by Aryan conquerors, but by floods, when the Indus river changed course, perhaps due to earthquakes, in about 1700 b.c.
Entailed: This Indus Valley is suggested to be destroyed.
Contradiction: The archaeology suggests that this Indus Valley civilization was destroyed by Aryan conquerors.
Contradiction: The dog is inside the dog shop.
Contradiction: The person strolls over the water.
Contradiction: I doubt there was much competition on recipes.
Contradiction: Future disagreement and necessity for changes can be avoided with broad participation.