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: Question linked to image no. 5 A 41-year-old man referred for presenting for more than 5 years bilateral alternating gluteal pain predominantly nocturnal, which interferes with sleep and relieves with mobilization. It is accompanied by stiffness for more than 1 hour after inactivity. Denies pain, swelling or deformity to another level. It provides elementary analytics without alterations except PCR 11.5 mg / dl (N <5) and the attached radiograph. The objective radiological alteration and the most probable diagnosis would be: 
 Options:  <1> Fracture of Looser- Osteomalacia. <2> Bilateral sacroiliitis - Ankylosing spondylitis. <3> Coexistence of lytic and blastic lesions Paget's disease. <4> Blastic lesions - Prostatic adenocarcinoma with bone metastases. <5> Osteosclerosis - Lymphoma.

Output: 2


Input: Consider Input: Question: What kind of validity does the degree of confidence refer to, with which it can be inferred that the cause-effect relationships between the variables of an investigation are interpretable in the sense suggested by the researcher? 
 Options:  <1> Internal validity <2> External validity <3> Discriminant validity <4> Ecological validity <5> Construct validity

Output: 1


Input: Consider Input: Question: In relation to toxoplasmosis and pregnancy, indicate which of the following options is true: 
 Options:  <1> Placental transmission to the fetus can occur. <2> The rate of antibodies should be detected at the beginning of pregnancy and, in their absence, vaccination with killed virus vaccine should be carried out. <3> The infection is less severe but more frequent the younger the pregnant woman is. <4> In our environment, the main cause of infection is the coexistence and management of domestic birds. <5> The infection occurs intrapartum, favored by the rupture of the amniotic sac.


Output: 1