Anchor: The total cost for other countries can be estimated by substituting volume and population into the above formula.
Entailed: Volume and population can be plugged into a formula to calculate the total cost for other countries.
Contradiction: You cannot plug in the volume to the formula.
Contradiction: A woman is walking down the street.
Contradiction: a man fishing
Contradiction: South Africa and the rest of Africa are the same.
Contradiction: An agreement was made with participants to ensure that the discussion would involve open dialogue.