Detailed Instructions: 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'.
See one example below:
Problem: 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
Explanation: The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.

Problem: Question: What measure defines the frequency of lung cancer among people who smoke 20 cigarettes a day compared to those who do not smoke ?: 
 Options:  <1> Accumulated incidence. <2> Incidence density. <3> Relative risk. <4> Attributable risk. <5> Etiological risk fraction.
Solution:
3