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: Our estimate assumes that crops are evenly mixed between relatively sensitive and relatively insensitive varieties. Choices: 1. Our estimate makes no assumption as to the proportion of different crop varieties. 2. Relatively insensitive varieties of crops are more profitable than the more sensitive kinds. 3. There is an assumption that half the crops are relatively sensitive.
A:
1