Detailed Instructions: In this task, you're given a statement, and three sentences as choices. Your job is to determine which sentence clearly disagrees with the statement. Indicate your answer as '1', '2', or '3' corresponding to the choice number of the selected sentence.
Q: Statement: In 1937 De Valera's republican constitution took Ireland out of the British Commonwealth, and the new republic elected its first president, Douglas Hyde, in 1938. Choices:  1. Ireland left the British Commonwealth in 1938, and became a U.S. territory in 1940. 2. Ireland left the British Commonwealth in 1937, and elected its first president in 1938. 3. Ireland's first president, Douglas Hyde, had 4 children. 
A:
1