Definition: 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.
Input: Statement: If the current in such a form moves first in one direction and then in the other, then it cancels out and is useless. Choices:  1. This kind of current can never be canceled out, because it is too powerful. 2. If a current moves in a specific way, it will accomplish nothing. 3. These currents are extremely powerful, and should not be tampered with.

1