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: Importin intervenes in the transport of proteins from the cytoplasm to: 
 Options:  <1> Nucleus. <2> Endoplasmic reticulum. <3> Mitochondria. <4> Peroxisome <5> Lysosome
Example Output: 1

Example Input: Question: Which of the following anti-infectives is a reversible inhibitor of monoamine oxidase that can lead to interactions with antidepressants that increase serotonin? 
 Options:  <1> Neomycin. <2> Teicoplanin <3> Linezolid. <4> Clindamycin <5> Meropenem.
Example Output: 3

Example Input: Question: The mitochondrial complex α-ketoglutarate dehydrogenase needs all the following compounds EXEPT: 
 Options:  <1> CoA. <2> FAD. <3> NAD +. <4> NADP +. <5> Thiamine pyrophosphate.
Example Output:
4