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.

Positive Example 1 -
Input: Statement: Next to the MGM Grand you will find M and M World, four stories of merchandise and memorabilia dedicated to the candy that doesn't melt in your hand. Choices: 1. The candy has many fans who love its attractions. 2. There's four stories of memorabilia dedicated to a candy. 3. That particular candy melts and becomes difficult to eat.
Output: 3

Positive Example 2 -
Input: Statment: I've forgotten his name now, confessed Tuppence. Choices: 1. Tuppence forgot his name. 2.Tuppence remembered his name later. 3. Tuppence never could forget his name.
Output: 3

Negative Example 1 -
Input: Statement: In 1994, fraction of households owning a personal computer is 0.25. Choices: 1. In 1994, 0.25 of households owned a PC, which was a high sum at the time. 2. In 1984, 0.8 of households owned a PC. In 1994, 0.25 of households owned a PC.
Output: 3

Negative Example 2 -
Input: Statement: You could say you were in an auto accident, and the ambulance driver took you straight to Dr. Famous' office. Choices: 1. Ambulance drivers knew Dr Famous was great for treating famous people. 2. Ambulance drivers just took you to the hospital. 3. Ambulance drivers knew Dr Famous.
Output: 1

Now complete the following example -
Input: Statement: AC is assumed to be the principal reagent used to absorb the mercury in the exhaust gases. Choices:  1. Exhaust gases are where you need to absorb most of the mercury during the process. 2. AC isn't used anymore, we moved to different reagents years ago. 3. We think AC is the main reagent used to absorb the mercury.
Output: 


Answer: 2