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: The lithium aluminum hydride is a nucleophile strong enough to be added to the carbonyl group of the carboxylate ions. This process allows obtaining: 
 Options:  <1> Primary alcohols. <2> Secondary alcohols <3> Tertiary alcohols. <4> Ketones <5> Ethers

Ex Output:
1


Ex Input:
Question: The set of social mechanisms whose function is the transformation of specialized products in the form of health services for society, is called system: 
 Options:  <1> Sanitary. <2> Social. <3> Social insurance. <4> Liberal. <5> From the market

Ex Output:
1


Ex Input:
Question: The synthesis of a human protein by a bacterium, to which human DNA has been introduced, demonstrates that: 
 Options:  <1> Evolution can be questioned. <2> Bacteria can acquire nucleus. <3> The genetic code is universal. <4> The human proteins are identical to the proteins of the bacteria. <5> The bacteria can be pathogenic.

Ex Output:

3