You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
In this task, you are given a multiple-choice question about healthcare. Answer the question based on your information and classify your answers into '1', '2', '3', and '4'.

Question: A 13-year-old girl is operated on due to Hirschsprung illness at 3 months of age. Which of the following tumors is more likely to be present?
Options: <1> Abdominal neuroblastoma <2> Wilms tumor <3> Mesoblastic nephroma <4> Familial thyroid medullary carcinoma.
Solution: 2
Why? The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.

New input: Question: When we perform the triple test (alpha fetoprotein, human chorionic gonadotropin and unconjugated estriol) to pregnant women, the sensitivity and specificity against trisomy 21 (Down's syndrome) are 63 and 95% respectively. This means:
Options: <1> The percentage of false negatives is 5%. <2> The percentage of false positives is 37%. <3> The Area Under the Curve (AUC) ROC would be 1. <4> The probability of not having trisomy 21 (S. Down) being the negative result is 95%. <5> The probability of having a positive test result with trisomy 21 (Down syndrome) is 63%.
Solution:
5