Given the task definition and input, reply with output. 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.

Statement: Bauerstein was saying yesterday that, owing to the general ignorance of the more uncommon poisons among the medical profession, there were probably countless cases of poisoning quite unsuspected." Choices: 1. Medical professionals should be trusted implicitly, as they have all the knowledge they need, especially in matters of poisons. 2. Many murder cases were overlooked, as medical professionals did not have the knowledge to claim a subject had been poisoned. 3. Due to medical professionals being uninformed about many poisons, there were many instances where poisoning cases went undetected.
1