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.
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Question: Statement: Electronic signatures meeting the aforementioned criteria, however, can provide the necessary data integrity for highly automated systems because the signature seals the data once it is applied. Choices:  1. Electronic signatures can be accepted for banking documents. 2. Electronic signatures are never safe enough. 3. Electronic signatures are often safe enough.

Answer: 2


Question: Statement: These uncertainties can be reduced by careful consideration of the differences in the health risk or air pollution commodity and the study populations in the underlying economic literature versus the context of benefits conferred by the Clear Skies Act. Choices:  1. There is no way to reduce these uncertainties at this time. 2. Careful observation and studying of health risks by air pollution can help ease uncertainties.  3. The risk of air pollution is the most important type of pollution which should be carefully considered. 

Answer: 1


Question: Statement: These are terrific grounds for deciding to further test substances culled from nature--some of which will surely prove valuable. Choices:  1. These are the best grounds for deciding to test the substances. 2. These is the worst environment for deciding anything about testing substances. 3. These are perfect conditions for deciding about substance tests.

Answer:
2