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 Q]: Question: The most common pancreatic cancer is:
Options: <1> The intraductal mucinous papillary tumor. <2> Pancreatic neuroendocrine carcinoma. <3> The pancreatic cystadenocarcinoma. <4> The malignant insulinoma. <5> Ductal adenocarcinoma of the pancreas.
[EX A]: 5

[EX Q]: 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.
[EX A]: 2

[EX Q]: Question: Linolenic acid (18: 39, 12, 15) is a fatty acid:
Options: <1> Polyunsaturated. <2> Saturated. <3> Polysaturated <4> With triple link. <5> Branched.
[EX A]:
1