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 Input:
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 Output:
5

Ex Input:
Question: The differential modification of RNA:
Options: <1> It can result in multiple products from one gene. <2> It occurs thanks to the transcription bubble. <3> It is catalyzed by RNA polymerase I. <4> It is catalyzed by RNA polymerase II. <5> It is catalyzed by RNA polymerase III.

Ex Output:
1

Ex Input:
Question: Where does glycosylation take place in a eukaryotic cell?
Options: <1> In the endoplasmic reticulum and the Golgi Apparatus. <2> Only in the Golgi Apparatus. <3> In the mitochondria and the Golgi Apparatus. <4> Only in the endoplasmic reticulum. <5> In the endoplasmic reticulum and the plasma membrane.

Ex Output:
1