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'.

Example input: 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.
Example output: 2
Example explanation: The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.
Q: Question: Regarding COPD, which one is FALSE?
Options: <1> Smoking is the most important factor in the development of COPD. <2> Contrary to asthma, there is no inflammatory component. <3> The genetic factor to develop better documented COPD is the deficit of alpha1 antitrypsin. <4> Acropachies are not characteristic of COPD and their presence should suggest associated bronchiectasis or bronchopulmonary carcinoma. <5> Spirometrically, obstruction is detected by a FEV1 / FVC ratio of less than 0.70.
A:
2