Text: Because of the aging workforce and because of the anticipated demand for work at power plants, the union has made it an objective to have at least 28,000 members in the construction division by 2005, or at least a 5.3 percent annual growth rate.
Entailment: The union has an objective of having at least 28,000 members in the construction division by 2005.
Contradiction: The union's objective to have  28,000 members in the construction division by 2005 has nothing to do with the aging workforce or anticipated demand for work at power plants.