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: Acetyl-CoA: 
 Options:  <1> It is synthesized from pyruvate in the eukaryotic cytoplasm. <2> It has a phosphate bond rich in energy. <3> Presents a guanine nucleotide in coenzyme A. <4> Activates pyruvate carboxylase and inhibits pyruvate dehydrogenase. <5> It easily crosses the mitochondrial inner membrane.

Ex Output:
4


Ex Input:
Question: What procedure is part of the cognitive-behavioral intervention program for hypochondria proposed by Warwick and Salkovskis ?: 
 Options:  <1> The systematic desensitization in imagination to extinguish the fear of interoceptive sensations. <2> The stopping of thought to block intrusive thoughts about the disease. <3> The training in mindfulness to reduce the appearance of annoying bodily sensations. <4> The prevention of response to reduce body checking behaviors and search for reassuring information. <5> The resolution of the underlying conflicts related to guilt and dependency needs.

Ex Output:
4


Ex Input:
Question: A particle charged in solution moves when it is placed in an electric field. The speed acquired by the solute under the influence of the applied voltage is the product of the apparent mobility of the solute and the applied field. With regard to this mobility, it can be stated that: 
 Options:  <1> A neutral particle of small size will have a smaller mobility than a neutral one of large size. <2> A macromolecular polymer will have greater mobility than the corresponding monomer. <3> A large particle with a small charge will have great mobility. <4> A small particle of great load will have great mobility. <5> A charged micelle will have less mobility than another micelle of the same size but neutral.

Ex Output:

4