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: So while standing in that vast, but not very deep puddle, Dr. Edward lost himself in his synaptic innards and didn't even notice the students who walked by and laughed sarcastically at their former teacher, that's how low his spirits had sunk. Choices:  1. Dr. Edward stood in a large shallow puddle, he failed to notice his students walking by who sarcastically laughed at their former teacher.  2. Dr. Edward stared at his reflection in the puddle whilst the students walked past.  3. Dr. Edward took extra notice of the students walking past and pointed at them. 

3