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: He had known the figures that expressed the planet's diameter, but from a distance of two light-seconds, he had stood at the visi-plate and muttered, "Unbelievable!" Choices:  1. He had previous published a paper on this topic. 2. ALl of this was brand new to him and he sat in stunned silence. 3. He knew the work and mumbled to himself.

2