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: A 45-year-old patient who went to the emergency room for general malaise, headache and progressive tiredness in recent weeks. On physical examination, a slight icteric dye of the skin and mucous membranes was detected and a 2-cm splenomegaly was felt under the costal margin. The analytical presents hemoglobin 8.6 g / dL, VCM 100 fL. The number of reticulocytes is high and anisopoikilocytosis is observed in the blood smear. In the biochemistry highlights LDH 1300 IU / L, bilirubin 2.2 mg / dL and undetectable haptoglobin. Which test is the most appropriate to guide the diagnosis of the patient? 
 Options:  <1> Fecal occult blood test. <2> Test of Coombs. <3> Determination of iron, cobalamin and folic acid. <4> Abdominal ultrasound. <5> Bone marrow aspirate.
Example Output: 2

Example Input: Question: Indicate which of the manifestations or clinical subtypes is more frequent in the case of obsessive-compulsive disorder: 
 Options:  <1> Verification compulsions. <2> The obsessive slowness (perform activities such as dressing or showering in an obsessively slow manner). <3> The compulsions of cleaning / washing. <4> The compulsions of touching (for example, all corners). <5> The compulsions referred to religion (especially pray).
Example Output: 3

Example Input: Question: In the activation of the serum complement, the assembly of the Membrane Attack Complex begins with: 
 Options:  <1> C9 <2> C5b. <3> C3a. <4> C6 <5> C8.
Example Output:
2