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: Contains abundant glycogen:
Options: <1> Hepatocytes <2> Plasma cells. <3> Lymphocytes <4> Baited cells. <5> Fibroblasts.

Ex Output:
1

Ex Input:
Question: The process of bacterial sporulation occurs:
Options: <1> Both Gram positive and Gram negative bacteria. <2> After the depletion of certain essential nutrients. <3> When unfavorable environmental factors such as UV light or heat appear. <4> During the exponential growth. <5> By budding of a stem cell.

Ex Output:
2

Ex Input:
Question: In a determination of the activity of an enzyme, the depletion of the substrate:
Options: <1> It is essential for most trials. <2> It may give falsely low results in sera with high enzymatic activity. <3> It occurs when the reagent is finished. <4> It occurs due to a defect in the spectrophotometer. <5> It can lead to falsely elevated results in sera with high enzymatic activity.

Ex Output:
2