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: Exposure to androgens in a sensitive or critical period, at the beginning of development, causes masculinization of the sexual and behavioral organs. This effect has received the name of: 
 Options:  <1> Motivational effect <2> Effect of pheromones. <3> Activating effect. <4> Organizer effect. <5> Biological effect
Example Output: 4

Example Input: Question: Pyruvate carboxylase is allosterically activated by one of the following compounds, what is it? 
 Options:  <1> Pyruvate. <2> Acetyl-CoA. <3> Malate. <4> Oxalacetate. <5> NAD +.
Example Output: 2

Example Input: Question: An important test to distinguish Staphylococcus aureus from saprophytic staphylococci, such as Staphylococcus epidermidis is: 
 Options:  <1> Oxidase <2> Catalase <3> Indole. <4> Urea <5> Coagulase
Example Output:
5