Premise: To assess the impact of this, it was assumed that the boilermakers in the U.S. continued to grow at the 5.3 percent pace that the International Brotherhood of Boilermakers, Iron Ship Builders, Blacksmiths, Forgers, and Helpers has set as a minimum growth target.

Hypothesis: The growth rate of U.S. boilermakers didn't come into account in assessing this.
Relation: contradiction