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: The tRNA-aminoacyl-transferases: 
 Options:  <1> They link the amino acid to the ribosome. <2> They bind the amino acid to the anticodon of the tRNA. <3> They are RNA polymerases. <4> They guarantee the fidelity of the translation. <5> They are not important in the translation.
Example Output: 4

Example Input: Question: Due to its high mercury content, the Spanish Agency for Food Safety and Nutrition recommends pregnant women not to consume: 
 Options:  <1> Mature soft cheeses, type Brie or Camembert. <2> Pate or foie gras. <3> Large fatty fish. <4> Raw sausages <5> Green leaf vegetables.
Example Output: 3

Example Input: Question: Neighboring halohydrins, when treated with a base, are easily transformed into: 
 Options:  <1> Dioles <2> Alquenos <3> Alcohols <4> Epoxides <5> Ketones
Example Output:
4