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'.

Ex Input:
Question: An ideal diluted solution is characterized by: 
 Options:  <1> All components comply with Raoult's law. <2> Only the solute complies with Raoult's law. <3> The solvent complies with Henry's law. <4> All components comply with Henry's law. <5> Only the solute complies with Henry's law.

Ex Output:
1


Ex Input:
Question: Point out which of the following is a characteristic of childhood phobias: 
 Options:  <1> They can not be easily eliminated. <2> They are specific to a certain age. <3> They are short-lived. <4> They do not interfere with the child's daily life. <5> They are related to objectively dangerous stimuli.

Ex Output:
1


Ex Input:
Question: Quinolones are antibacterial compounds that target: 
 Options:  <1> The 50 S subunit of the bacterial ribosome. <2> The plasma membrane. <3> The enzyme DNA polymerase. <4> The enzyme RNA polymerase. <5> The enzyme DNA gyrase.

Ex Output:

5