Given the task definition and input, reply with output. In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.

Statement: The available construction labor in the United States, about 6.7 million, will provide a large labor pool for the trades that are not unique to the power industry, such as iron and steel workers, pipe fitters, and electricians. Choices: 1. The pool of available construction workers in the United States is well below 1 million. 2. The unique workers required by the power industry such as iron and steel workers, pipe fitters and electricians are a specialised group. 3. The power industry will be able to pull from the large labor pool of construction workers in the United States.
3