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'.

Input: Consider Input: Question: In the -oxidation of odd-chain fatty acids, what is the molecule that forms with the last three carbons to enter the citric acid cycle ?:
Options: <1> Propionyl-CoA. <2> Methylmalonyl-CoA. <3> Succinyl-CoA. <4> Succinate <5> Malate.

Output: 3

Input: Consider Input: Question: What serum immunoglobulin will synthesize an activated B lymphocyte that has not been stimulated through CD40 ?:
Options: <1> Any. <2> IgE <3> IgM <4> IgA <5> IgG

Output: 3

Input: Consider Input: Question: A 7-year-old boy presents a subacute picture of cerebellar ataxia and intracranial hypertension. Magnetic resonance imaging demonstrates an expansive lesion in the cerebellar vermix that captures contrast and obstructs the fourth ventricle. The most likely diagnosis is:
Options: <1> Meningioma <2> Cerebellar metastasis. <3> Glioblastoma multiforme. <4> Medulloblastoma <5> Lymphoma
Output: 4