Detailed Instructions: In this task, you're given a statement and three sentences as choices. Your job is to determine which sentence can be inferred from the statement. Incorrect choices change the meaning in important ways or have details that are not mentioned in the statement. Indicate your answer as 1,2, or 3 corresponding to the choice number of the selected sentence.
Q: Statement: Patient's age, income, and insurance status significantly influenced both sensitivity and specificity. Choices: 1. Several factors had an effect on sensitivity and specificity 2. Patient's income contributed the most to sensitivity and specificity. 3. It was discovered that patient's age did not affect sensitivity or specificity.
A:
1