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'.
One example is below.
Q: 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.
A: 2
Rationale: The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.
Q: Question: In the kinetic methods of analysis:
Options: <1> Slow reactions can be used. <2> It is necessary that the reaction be completed in order to obtain the data of the equilibrium concentrations. <3> Low concentrations of a catalyst can be determined as long as the speed of the reaction does not depend on the concentration thereof. <4> It is not necessary to rigorously control the experimental conditions. <5> Mixtures of analytes can be determined as long as they all react with the same reagent at the same reaction rate.
A:
1