Definition: 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.
Input: Statement: The calamity spurred the government to launch an emergency program of public-housing construction; spartan new blocks of apartments put cheap and fireproof roofs over hundreds of thousands of heads. Choices:  1. The calamity was a series of fires caused by earthquakes. 2. The govvernment, spurred by the calamity, launched an emergency program of free legal advice. 3. Fireproof roofs over hundreds of thousands of heads and spartan new blocks of apartments put cheap; that's what the government built because of the calamity.

3