instruction:
In this task, you're given a statement and three sentences as choices. Your job is to determine the neutral choice based on your inference from the statement and your commonsense knowledge. The neutral choice is a sentence that neither agrees nor disagrees with the statement. Indicate your answer as '1', '2', or '3', corresponding to the choice number of the selected sentence. If sentence X agrees with sentence Y, one's correctness follows from the other one. If sentence X disagrees with sentence Y, they can not be correct at the same time.
question:
Statement: For example, to achieve 80 percent mercury reduction from a low sulfur bituminous coal using an ACI system with humidification will require a treatment rate of about 8 lb/million acf (MMacf). Choices: 1. Mercury levels can be reduced from bituminous coal with an ACI system. 2. This system is very expensive to install and operate. 3. There is no way to achieve more than a 20% reduction in mercury levels.
answer:
2


question:
Statement: No we're not, said Thorn. Choices: 1. Thorn said that they were. 2. Thorn denied that they were. 3. Thorn insisted that they were not leaving the village.
answer:
3


question:
Statement: For example, GAO has taken significant steps to consolidate its field office structure. Choices: 1. The GAO field office structure is being consolidated now. 2. The GAO is working to implement a more decentralized office structure. 3. The field office structure is being consolidated by moving all managers into a single office.
answer:

3