Given the task definition, example input & output, solve the new input case.
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: Question: A 13-year-old girl is operated on due to Hirschsprung illness at 3 months of age. Which of the following tumors is more likely to be present?
Options: <1> Abdominal neuroblastoma <2> Wilms tumor <3> Mesoblastic nephroma <4> Familial thyroid medullary carcinoma.
Output: 2
The answer to the given question should be a tumor, therefore Wilms tumor is the correct answer for the given question.

New input case for you: Question: A 45-year-old woman came to the consultation sent from Surgery with the diagnosis of a neuroendocrine tumor diagnosed after partial pancreatectomy due to a 2-cm tumor in the tail of the pancreas. The tumor had been detected by chance on an abdominal CT scan requested to complete the study of a simple liver cyst. Interrogating the patient, the background is irregular rules, being in amenorrhea for 6 months, and repetitive colic of recurrence from the age of 20 for those who have required lithotripsy on several occasions. In addition, he has a family history of renoureteral colic. What is your diagnostic suspicion?
Options: <1> A multiple endocrine neoplasia type 1 or Wermer syndrome. <2> A multiple endocrine neoplasia type 2 A or Sipple syndrome. <3> A multiple endocrine neoplasia type 2B. <4> Somatostatinoma. <5> A neuroendocrine tumor producing PTH.
Output:
1