Anchor: Parametric analyses are conducted by varying volume under different assumptions about the extent that institutional cost varies over the long run.
Entailed: A parametric analysis is a type of cost study.
Contradiction: A parametric analysis uses and makes no assumptions.
Contradiction: It is unnecessary to watch for dangers.
Contradiction: A woman is outdoors.
Contradiction: The flaw is quantifiable. 
Contradiction: Two men are walking down the street.