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: Therefore, injection of sorbent, and possibly water for humidification, will most often be performed downstream of the air preheater and upstream of the electrostatic precipitator, where the gas temperature is typically in the range of 280-300 eF. Choices: 1. Gas temperature never exceeds 100 degrees F. 2. The gas temperature upstream of the electrostatic precipitator is in the range of 280-300 degrees F. 3. Injection of sorbent has no safety issues.
A:
1